[FW] Paceficator Project | Stock US/Multilanguage Firmware Amazfit Pace (2019/11/27)

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Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
STOCKfied_ROM.png

requisitos_xda.png

Amazfit Pace A1602 or A1612
Only for unlocked Bootloader
adb/fastboot drivers installed (as system wide mode recommended)
adb/fastboot drivers
adb/fastboot as system wide for Windows -> Delete C:\adb from PATH at the end of the guide if exists​
+40% battery
info_xda.png

For anyone interested in going back to Stock/Original English Firmware with fixed OTA, and now including Spanish ans Russian languages.
Just run NSTALL_US.bat without Administrator rights and relax while the Firmware gets flashed.

Installation process
2_8_1_0_US.png

** #14 may be different
If you have bugs or note a bad behavior, do a factory reset with FCT_RST.bat after installing the Firmware.

Reset process
*****************************************
CONECTA EL RELOJ AL PC ANTES DE EMPEZAR
*****************************************
List of devices attached
be601824 device

< waiting for any device >
******** Did you mean to fastboot format this ext4 partition?
Erasing 'cache' OKAY [ 8.204s]
Finished. Total time: 8.326s
Erasing 'data' OKAY [213.899s]
Finished. Total time: 214.024s
Rebooting
Finished. Total time: 0.067s
Presione una tecla para continuar . . .
OTA Installers
This installer is for those who are just on the previous firmware version and didn't get latest OTA and want to update. Only adb/fastboot drivers are needed, unlocked bootloader is not needed as this is an official update and won't void your warranty.
Unzip the .zip file and run INSTALL_OTA_US.bat.
downloads_xda.png

Latest US | Spanish | Russian | Italian | French | German versions
Stock 2.8.5.0 Firmware installer with fixed OTA updates: HERE | Mirror
2.8.4.0 -> 2.8.5.0 OTA Installer: HERE | Mirror

Stock 2.8.4.0 Firmware installer with fixed OTA updates: HERE | Mirror
2.8.3.0 -> 2.8.4.0 OTA Installer: HERE | Mirror

Latest US | Spanish | Russian | Italian | French versions
Stock 2.8.3.0 Firmware installer with fixed OTA updates: HERE | Mirror
2.8.1.0 -> 2.8.3.0 OTA Installer: HERE | Mirror

Previous US | Spanish | Russian versions
Stock 2.8.1.0 Firmware installer with fixed OTA updates: HERE
2.8.0.5 -> 2.8.1.0 OTA Installer: HERE

Stock 2.8.0.5 Firmware installer with fixed OTA updates: HERE
Latest US versions only
Stock 1.3.8a Firmware installer with fixed OTA updates: HERE
Stock 1.3.6d Firmware installer with fixed OTA updates: HERE

Older versions
Stock 1.3.5 Firmware installer with fixed OTA updates: HERE
Stock 1.3.4f Firmware installer with fixed OTA updates: HERE
Stock 1.3.0n Firmware installer with fixed OTA updates: HERE
Note
There is a typo in the installer script, so please use this .bat file instead of the original for older versions only: https://mega.nz/#!MlwmBQRA!xre2zimVdsAlT8csYoLwxIJT4EXSx6WqS1oewVygPs8
 
Last edited:

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
Manual installation method and Unbrick

Manual installation method

Introduction
Here I will explain how to install the firmware using a command window or any other terminal.

The requirements are the ones stated in first post.

On your terminal, go to the path where all the files were unzipped, or if you are running a Windows OS, just run terminal_cmd.bat and you are good to go.

You can copy and paste all needed commands.

How to Unbrick your watch
If your device is bricked, stuck at initial Amazfit logo, and no adb connection with PC, you have to reboot your watch into fastboot mode using the button and USB plug trick with this tutorial, and then you can download the Unbrick file, copy UNBRICK_US.bat to the root of the stock Firmware folder with all the other files, and run it.

Or you can install the firmware using manual commands and starting at Point 2.

OTA Installation
Download OTA installer form Post #1 and if you are running a Windows PC, run terminal_cmd.bat, or any other command/terminal window on your PC in the root of the unzipped folder.
Copy the update to the watch
Code:
[COLOR="Blue"]adb push update.zip /sdcard[/COLOR]
And launch the update
Code:
[COLOR="blue"]adb reboot update[/COLOR]
Wait to the end of the update, and when the watch reboots delete the update file
Code:
[COLOR="Blue"]adb shell rm /sdcard/update.zip[/COLOR]

Firmware installation
0. Check adb connection with watch
Code:
[COLOR="Blue"]adb kill-server
adb start-server
adb devices[/COLOR]
Output (or similar)
Code:
List of devices attached
be601824        device
1. Reboot in fastboot
Code:
[COLOR="blue"]adb shell reboot bootloader[/COLOR]
2. Check fastboot connection with watch
Code:
[COLOR="blue"]fastboot devices[/COLOR]
Output (or similar)
Code:
0123456789      fastboot

At this point, if you did not get correct outputs, stop here and check adb/fastboot drivers

3. Flash modded Amazfit Recovery
Code:
[COLOR="blue"]fastboot boot recovery-mod.img[/COLOR]
Output (or similar)
Code:
Downloading 'boot.img'                OKAY [  0.475s]
booting                                            FAILED (status read failed (Too many links))
Finished. Total time: 1.540s
4. Wait until you see "!" symbol in your watch

5. Copy firmware files
Code:
[COLOR="Blue"]adb push boot.img.gz /data/media/0/
adb push system.img.gz /data/media/0/
adb push flash_eng_version.sh /data/media/0/
adb push md5s.txt /data/media/0/[/COLOR]
Output (or similar)
Code:
boot.img.gz: 1 file pushed. 7.3 MB/s (5578363 bytes in 0.731s)
system.img.gz: 1 file pushed. 4.9 MB/s (298686734 bytes in 57.752s)
flash_eng_version.sh: 1 file pushed. 0.2 MB/s (398 bytes in 0.002s)
md5s.txt: 1 file pushed. 0.0 MB/s (94 bytes in 0.002s)
6. Run fimware installation script
Code:
[COLOR="blue"]adb shell sh /data/media/0/flash_eng_version.sh[/COLOR]
Output (or similar)
Code:
Validating images
boot.img.gz: OK
system.img.gz: OK
Flashing boot.img
2304+0 records in
2304+0 records out
9437184 bytes (9.0MB) copied, 2.699810 seconds, 3.3MB/s
Flashing system.img
210944+0 records in
210944+0 records out
864026624 bytes (824.0MB) copied, 93.146915 seconds, 8.8MB/s
Finished
7. Firmware would be installed, now erase installation files
Code:
[COLOR="blue"]adb shell rm /data/media/0/boot.img.gz
adb shell rm /data/media/0/system.img.gz
adb shell rm /data/media/0/md5s.txt
adb shell rm /data/media/0/flash_eng_version.sh[/COLOR]
8. Reboot
Code:
[COLOR="blue"]adb reboot[/COLOR]
9. When bootanimation starts, change language to English
Code:
[COLOR="blue"]adb shell setprop persist.sys.language en 
adb shell setprop persist.sys.country US[/COLOR]
Stock Recovery and Bootloader installation
10. Reboot in fastboot
Code:
[COLOR="blue"]adb shell reboot bootloader[/COLOR]
11. Flash temporal root
Code:
[COLOR="blue"]fastboot boot boot-US-adb-root.img[/COLOR]
Output (or similar)
Code:
< waiting for any device >
Downloading 'boot.img'                OKAY [  0.399s]
booting                                            FAILED (status read failed (Too many links))
Finished. Total time: 1.449s
12. Wait to reboot and bootanimation start

13. Copy Recovery and Bootloader files
Code:
[COLOR="blue"]adb push install_recovery.sh /data/media/0/
adb push recovery.img /data/media/0/
adb push u-boot-with-spl-mbr-gpt.bin /data/media/0/[/COLOR]
Output (or similar)
Code:
install_recovery.sh: 1 file pushed. 0.2 MB/s (687 bytes in 0.004s)
recovery.img: 1 file pushed. 1.1 MB/s (16777216 bytes in 14.611s)
u-boot-with-spl-mbr-gpt.bin: 1 file pushed. 0.5 MB/s (894164 bytes in 1.839s)
14. Run Recovery installation script
Code:
[COLOR="blue"]adb shell cd /data/media/0/; sh install_recovery.sh[/COLOR]
Output (or similar)
Code:
============= STOCK Installer ===============
Flashing recovery...
4096+0 records in
4096+0 records out
16777216 bytes (16.0MB) copied, 2.461221 seconds, 6.5MB/s
Done. OTA updates should now work.
15. Flash the Bootloader
Code:
[COLOR="Blue"]adb shell busybox dd if=/data/media/0/u-boot-with-spl-mbr-gpt.bin of=/dev/block/mmcblk0[/COLOR]
Output (or similar)
Code:
1746+1 records in
1746+1 records out
894164 bytes (873.2KB) copied, 1.002318 seconds, 871.2KB/s
16. Erase Recovery and Bootloader files
Code:
[COLOR="blue"]adb shell rm /data/media/0/install_recovery.sh 
adb shell rm /data/media/0/recovery.img
adb shell rm /data/media/0/u-boot-with-spl-mbr-gpt.bin
adb shell rm -rf /data/dalvik-cache[/COLOR]
17. Reboot
Code:
[COLOR="blue"]adb reboot
adb kill-server
[/COLOR]
18. Finished

Factory reset
Every time you flash a new firmware, it is recommended to do a factory reset to avoid any bug
Code:
[COLOR="blue"]adb shell reboot bootloader
fastboot erase cache
fastboot erase data
fastboot reboot[/COLOR]
 
Last edited:

Wentilators

New member
Dec 26, 2017
4
0
Something not working

After using bat file I got only Fastboot screen on watch. Nothing else. Where is the problem?
Code:
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
*** Copying files ***
[100%] /sdcard/boot.img.gz
[100%] /sdcard/system.img.gz
[100%] /sdcard/recovery.img
[100%] /sdcard/flash_eng_version.sh
[100%] /sdcard/md5s.txt
  *** Rebooting to Fastboot ***
  *** Flashing Amazfit Recovery ***
< waiting for any device >
Waiting for  1 seconds, press a key to continue ...
  *** Flashing Stock Firmware ***
error: no devices/emulators found
error: no devices/emulators found
  *** Rebooting ***
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
List of devices attached

  *** Rebooting to Fastboot ***
error: no devices/emulators found
0123456789      fastboot
  *** Flashing temporal root ***
downloading 'boot.img'...
FAILED (remote: ED: The command is not allowed.)
finished. total time: 0.053s
  *** Rebooting  ***
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
List of devices attached

*** Copying files ***
adb: error: connect failed: no devices/emulators found
adb: error: connect failed: no devices/emulators found
  *** Flashing fixed Recovery for OTA updates ***
error: no devices/emulators found
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
  *** Rebooting  ***
error: no devices/emulators found
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
  *** Finished ***
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
After using bat file I got only Fastboot screen on watch. Nothing else. Where is the problem?
Code:
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
*** Copying files ***
[100%] /sdcard/boot.img.gz
[100%] /sdcard/system.img.gz
[100%] /sdcard/recovery.img
[100%] /sdcard/flash_eng_version.sh
[100%] /sdcard/md5s.txt
  *** Rebooting to Fastboot ***
  *** Flashing Amazfit Recovery ***
< waiting for any device >
Waiting for  1 seconds, press a key to continue ...
  *** Flashing Stock Firmware ***
error: no devices/emulators found
error: no devices/emulators found
  *** Rebooting ***
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
List of devices attached

  *** Rebooting to Fastboot ***
error: no devices/emulators found
0123456789      fastboot
  *** Flashing temporal root ***
downloading 'boot.img'...
FAILED (remote: ED: The command is not allowed.)
finished. total time: 0.053s
  *** Rebooting  ***
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
List of devices attached

*** Copying files ***
adb: error: connect failed: no devices/emulators found
adb: error: connect failed: no devices/emulators found
  *** Flashing fixed Recovery for OTA updates ***
error: no devices/emulators found
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
  *** Rebooting  ***
error: no devices/emulators found
adb: unknown state devices; expected 'any', 'bootloader', 'device', 'recovery', or 'sideload'
  *** Finished ***

Sorry, there is a typo on the script, on an adb command. Please use this .bat file: https://mega.nz/#!MlwmBQRA!xre2zimVdsAlT8csYoLwxIJT4EXSx6WqS1oewVygPs8
 
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Wentilators

New member
Dec 26, 2017
4
0
Something not working 2

Hello!

My be I dont have some permissions. And cant find a manual, how to use ADB with permissions.
Stock firmware was 1.3.0n and I have updated it to 1.3.5 firmware. So I have to try with 1.3.5 firmware.

After new BAT:
Code:
** Connect your watch ***
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached
c15c0e27        device

*** Copying files ***
[100%] /sdcard/boot.img.gz
[100%] /sdcard/system.img.gz
[100%] /sdcard/recovery.img
[100%] /sdcard/flash_eng_version.sh
[100%] /sdcard/md5s.txt
  *** Rebooting to Fastboot ***
  *** Flashing Amazfit Recovery ***
< waiting for any device >
downloading 'boot.img'...
FAILED (remote: ED: The command is not allowed.)
finished. total time: 0.668s
  *** Rebooting in 10s ***

Waiting for  0 seconds, press a key to continue ...
  *** Flashing Stock Firmware ***
error: no devices/emulators found
error: no devices/emulators found
  *** Rebooting ***
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
Hello!

My be I dont have some permissions. And cant find a manual, how to use ADB with permissions.
Stock firmware was 1.3.0n and I have updated it to 1.3.5 firmware. So I have to try with 1.3.5 firmware.

After new BAT:
Code:
** Connect your watch ***
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached
c15c0e27        device

*** Copying files ***
[100%] /sdcard/boot.img.gz
[100%] /sdcard/system.img.gz
[100%] /sdcard/recovery.img
[100%] /sdcard/flash_eng_version.sh
[100%] /sdcard/md5s.txt
  *** Rebooting to Fastboot ***
  *** Flashing Amazfit Recovery ***
< waiting for any device >
downloading 'boot.img'...
FAILED (remote: ED: The command is not allowed.)
finished. total time: 0.668s
  *** Rebooting in 10s ***

Waiting for  0 seconds, press a key to continue ...
  *** Flashing Stock Firmware ***
error: no devices/emulators found
error: no devices/emulators found
  *** Rebooting ***

You have locked bootloader so nothing to do here.

If you are already on stock 1.3.5 firmware you don't need to use this tool. This tool is meant to be for people running a custom Rom that want to go back to stock.
 
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Reactions: Sadegh

cell-net

Member
Dec 28, 2009
8
1
@Saratoga79
I have serius problems, my Pace already bricked before use your solution and install by forced manual fastboot 1.3.0n, the watch don't work GPS, pedometer, heart rate, compass, sleep monitor and sports activie.
I use your solution, install are ok, only same situation ( GPS, pedometer, heart rate, compass, sleep monitor and sports activy) i used all versions(1.3.0n, 1.3.4f and 1.3.5) in 1.3.4f i check update watch find 1.3.5 and init update, result in brick (stuck on update screen and don´t reboot, no usb detect, i need make forced manual fastboot). Help me please.
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
@Saratoga79
I have serius problems, my Pace already bricked before use your solution and install by forced manual fastboot 1.3.0n, the watch don't work GPS, pedometer, heart rate, compass, sleep monitor and sports activie.
I use your solution, install are ok, only same situation ( GPS, pedometer, heart rate, compass, sleep monitor and sports activy) i used all versions(1.3.0n, 1.3.4f and 1.3.5) in 1.3.4f i check update watch find 1.3.5 and init update, result in brick (stuck on update screen and don´t reboot, no usb detect, i need make forced manual fastboot). Help me please.

Not sure if I understand you correctly. Are you bricked? Or just can't update to 1.3.5? Can you access your watch? Did you try with a factory reset?
 
  • Like
Reactions: Sadegh

cell-net

Member
Dec 28, 2009
8
1
Not sure if I understand you correctly. Are you bricked? Or just can't update to 1.3.5? Can you access your watch? Did you try with a factory reset?

In moment the watch is in brick (not recognize in USB, no ADB commands) i make manual fastboot by power buttom, the watch enter in fastboot mode, i make manual flash 1.3.0n by pacefied method the watch revive with same erros(gps, compass, HR, Slepp and brick if aplly OTA update) i make your solution with 1.3.0n or 1.3.4f or 1.3.5 the system install and partialy work(NO gps, compass, HR, sleep and brick if make OTA update). I'm sure the watch has firmware problems.
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
In moment the watch is in brick (not recognize in USB, no ADB commands) i make manual fastboot by power buttom, the watch enter in fastboot mode, i make manual flash 1.3.0n by pacefied method the watch revive with same erros(gps, compass, HR, Slepp and brick if aplly OTA update) i make your solution with 1.3.0n or 1.3.4f or 1.3.5 the system install and partialy work(NO gps, compass, HR, sleep and brick if make OTA update). I'm sure the watch has firmware problems.

Maybe your watch has some hardware problem. How and when started with those problems? Did you use the watch for swimming or to have a shower? Did it get wet somehow?
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
D

Deleted member 4490808

Guest
Hi,

What is the difference between these three firmware : Stock 1.3.5, Stock 1.3.4f, Stock 1.3.0n ? is it just version number or is it also location (China, us, etc.) ?
Thanks in advance
 

Laserek_Poland

Senior Member
Jul 11, 2008
112
5
Warsaw
The dump files in that threat (system, boot and recovery.img) are the same 1.3.5 files in this threat, and the 135f.zip file is the official OTA file to update to 1.3.5, but is not a new firmware version, as far as I know there is only one version, 1.3.5 and there is not 1.3.5f version.

I was able to update my watch. Ver is 135 but some bugs was corrected like difference on displayed time when the screen is locked v.s. unlocked
 

Saratoga79

Senior Member
Jan 12, 2013
2,246
2,203
Ordizia Capital
Hi,

What is the difference between these three firmware : Stock 1.3.5, Stock 1.3.4f, Stock 1.3.0n ? is it just version number or is it also location (China, us, etc.) ?

Thanks in advance

All of them are different versions of US/International Firmware.

I was able to update my watch. Ver is 135 but some bugs was corrected like difference on displayed time when the screen is locked v.s. unlocked

If you are facing issues, just do a factory reset and this should solve your issues.
 
Last edited:

Evgenserg

Member
Dec 13, 2017
6
1
I have the problem too . I am already unlock bootloader
*** Connect your watch ***
List of devices attached
e21e102f device

*** Copying files ***
[100%] /sdcard/boot.img.gz
[100%] /sdcard/system.img.gz
[100%] /sdcard/recovery.img
[100%] /sdcard/flash_eng_version.sh
[100%] /sdcard/md5s.txt
*** Rebooting to Fastboot ***
*** Flashing Amazfit Recovery ***
< waiting for any device >
downloading 'boot.img'...
OKAY [ 0.674s]
booting...
FAILED (status read failed (Too many links))
finished. total time: 1.862s
*** Rebooting in 10s ***

Время ожидания 6 сек., нажмите любую клавишу для продолжения ...
*** Flashing Stock Firmware ***
error: no devices/emulators found
error: no devices/emulators found
*** Rebooting ***
 

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  • 20
    STOCKfied_ROM.png

    requisitos_xda.png

    Amazfit Pace A1602 or A1612
    Only for unlocked Bootloader
    adb/fastboot drivers installed (as system wide mode recommended)
    adb/fastboot drivers
    adb/fastboot as system wide for Windows -> Delete C:\adb from PATH at the end of the guide if exists​
    +40% battery
    info_xda.png

    For anyone interested in going back to Stock/Original English Firmware with fixed OTA, and now including Spanish ans Russian languages.
    Just run NSTALL_US.bat without Administrator rights and relax while the Firmware gets flashed.

    Installation process
    2_8_1_0_US.png

    ** #14 may be different
    If you have bugs or note a bad behavior, do a factory reset with FCT_RST.bat after installing the Firmware.

    Reset process
    *****************************************
    CONECTA EL RELOJ AL PC ANTES DE EMPEZAR
    *****************************************
    List of devices attached
    be601824 device

    < waiting for any device >
    ******** Did you mean to fastboot format this ext4 partition?
    Erasing 'cache' OKAY [ 8.204s]
    Finished. Total time: 8.326s
    Erasing 'data' OKAY [213.899s]
    Finished. Total time: 214.024s
    Rebooting
    Finished. Total time: 0.067s
    Presione una tecla para continuar . . .
    OTA Installers
    This installer is for those who are just on the previous firmware version and didn't get latest OTA and want to update. Only adb/fastboot drivers are needed, unlocked bootloader is not needed as this is an official update and won't void your warranty.
    Unzip the .zip file and run INSTALL_OTA_US.bat.
    downloads_xda.png

    Latest US | Spanish | Russian | Italian | French | German versions
    Stock 2.8.5.0 Firmware installer with fixed OTA updates: HERE | Mirror
    2.8.4.0 -> 2.8.5.0 OTA Installer: HERE | Mirror

    Stock 2.8.4.0 Firmware installer with fixed OTA updates: HERE | Mirror
    2.8.3.0 -> 2.8.4.0 OTA Installer: HERE | Mirror

    Latest US | Spanish | Russian | Italian | French versions
    Stock 2.8.3.0 Firmware installer with fixed OTA updates: HERE | Mirror
    2.8.1.0 -> 2.8.3.0 OTA Installer: HERE | Mirror

    Previous US | Spanish | Russian versions
    Stock 2.8.1.0 Firmware installer with fixed OTA updates: HERE
    2.8.0.5 -> 2.8.1.0 OTA Installer: HERE

    Stock 2.8.0.5 Firmware installer with fixed OTA updates: HERE
    Latest US versions only
    Stock 1.3.8a Firmware installer with fixed OTA updates: HERE
    Stock 1.3.6d Firmware installer with fixed OTA updates: HERE

    Older versions
    Stock 1.3.5 Firmware installer with fixed OTA updates: HERE
    Stock 1.3.4f Firmware installer with fixed OTA updates: HERE
    Stock 1.3.0n Firmware installer with fixed OTA updates: HERE
    Note
    There is a typo in the installer script, so please use this .bat file instead of the original for older versions only: https://mega.nz/#!MlwmBQRA!xre2zimVdsAlT8csYoLwxIJT4EXSx6WqS1oewVygPs8
    7
    New 2.8.1.0 Stock Official Multilanguage firmware installer

    New 2.8.1.0 Stock Official Multilanguage firmware installer

    Downloads
    Stock 2.8.1.0 Firmware installer with fixed OTA updates

    2.8.0.5 -> 2.8.1.0 OTA Installer
    This installer is for those who are on 2.8.0.5 and didn't get 2.8.1.0 OTA and want to update. Only adb/fastboot drivers are needed, unlocked bootloader is not needed as this is an official update.
    Unzip the .zip file and run INSTALL_OTA_US.bat.


    Downloads
    2.8.0.5 -> 2.8.1.0 OTA Installer

    Update OTA file thanks to kapara @1immortal.

    Changelog
    - Added "crossing the interstellar" watchface
    - Added real-time track in the real-time track page lock screen under outdoor sports
    - Updated tennis algorithm
    - Optimized altitude output in motion
    - Optimized inaccurate output of running strides in some cases
    - Optimize calorie consumption calculations in some cases during exercise
    - Optimized walking heart rate
    - Optimize low heart rate in certain situations
    - Optimize indoor running calibration process and put it into the motion pause interface
    - Optimize the stability of vibration functionality
    - Optimize heart rate
    - Optimized data synchronization for android phones
    - Fix sporadic power consumption issues
    - Fixed some issues with call reminders
    - Bug fixes
    6
    New 2.8.0.5 Stock Official Multilanguage firmware installer

    New 2.8.0.5 Stock Official Multilanguage firmware installer

    Donwloads
    Stock 2.8.0.5 Firmware installer with fixed OTA updates

    Changelog
    Based on WOS2.0
    New Spanish and Russian Official languages
    New sports
    ...


    Language can be changed in Settings>Common>Language.

    Enjoy!

    Firmware dump thanks to kapara @1immortal.

    Manual installation method added to Post #2.
    5
    Manual installation method and Unbrick

    Manual installation method

    Introduction
    Here I will explain how to install the firmware using a command window or any other terminal.

    The requirements are the ones stated in first post.

    On your terminal, go to the path where all the files were unzipped, or if you are running a Windows OS, just run terminal_cmd.bat and you are good to go.

    You can copy and paste all needed commands.

    How to Unbrick your watch
    If your device is bricked, stuck at initial Amazfit logo, and no adb connection with PC, you have to reboot your watch into fastboot mode using the button and USB plug trick with this tutorial, and then you can download the Unbrick file, copy UNBRICK_US.bat to the root of the stock Firmware folder with all the other files, and run it.

    Or you can install the firmware using manual commands and starting at Point 2.

    OTA Installation
    Download OTA installer form Post #1 and if you are running a Windows PC, run terminal_cmd.bat, or any other command/terminal window on your PC in the root of the unzipped folder.
    Copy the update to the watch
    Code:
    [COLOR="Blue"]adb push update.zip /sdcard[/COLOR]
    And launch the update
    Code:
    [COLOR="blue"]adb reboot update[/COLOR]
    Wait to the end of the update, and when the watch reboots delete the update file
    Code:
    [COLOR="Blue"]adb shell rm /sdcard/update.zip[/COLOR]

    Firmware installation
    0. Check adb connection with watch
    Code:
    [COLOR="Blue"]adb kill-server
    adb start-server
    adb devices[/COLOR]
    Output (or similar)
    Code:
    List of devices attached
    be601824        device
    1. Reboot in fastboot
    Code:
    [COLOR="blue"]adb shell reboot bootloader[/COLOR]
    2. Check fastboot connection with watch
    Code:
    [COLOR="blue"]fastboot devices[/COLOR]
    Output (or similar)
    Code:
    0123456789      fastboot

    At this point, if you did not get correct outputs, stop here and check adb/fastboot drivers

    3. Flash modded Amazfit Recovery
    Code:
    [COLOR="blue"]fastboot boot recovery-mod.img[/COLOR]
    Output (or similar)
    Code:
    Downloading 'boot.img'                OKAY [  0.475s]
    booting                                            FAILED (status read failed (Too many links))
    Finished. Total time: 1.540s
    4. Wait until you see "!" symbol in your watch

    5. Copy firmware files
    Code:
    [COLOR="Blue"]adb push boot.img.gz /data/media/0/
    adb push system.img.gz /data/media/0/
    adb push flash_eng_version.sh /data/media/0/
    adb push md5s.txt /data/media/0/[/COLOR]
    Output (or similar)
    Code:
    boot.img.gz: 1 file pushed. 7.3 MB/s (5578363 bytes in 0.731s)
    system.img.gz: 1 file pushed. 4.9 MB/s (298686734 bytes in 57.752s)
    flash_eng_version.sh: 1 file pushed. 0.2 MB/s (398 bytes in 0.002s)
    md5s.txt: 1 file pushed. 0.0 MB/s (94 bytes in 0.002s)
    6. Run fimware installation script
    Code:
    [COLOR="blue"]adb shell sh /data/media/0/flash_eng_version.sh[/COLOR]
    Output (or similar)
    Code:
    Validating images
    boot.img.gz: OK
    system.img.gz: OK
    Flashing boot.img
    2304+0 records in
    2304+0 records out
    9437184 bytes (9.0MB) copied, 2.699810 seconds, 3.3MB/s
    Flashing system.img
    210944+0 records in
    210944+0 records out
    864026624 bytes (824.0MB) copied, 93.146915 seconds, 8.8MB/s
    Finished
    7. Firmware would be installed, now erase installation files
    Code:
    [COLOR="blue"]adb shell rm /data/media/0/boot.img.gz
    adb shell rm /data/media/0/system.img.gz
    adb shell rm /data/media/0/md5s.txt
    adb shell rm /data/media/0/flash_eng_version.sh[/COLOR]
    8. Reboot
    Code:
    [COLOR="blue"]adb reboot[/COLOR]
    9. When bootanimation starts, change language to English
    Code:
    [COLOR="blue"]adb shell setprop persist.sys.language en 
    adb shell setprop persist.sys.country US[/COLOR]
    Stock Recovery and Bootloader installation
    10. Reboot in fastboot
    Code:
    [COLOR="blue"]adb shell reboot bootloader[/COLOR]
    11. Flash temporal root
    Code:
    [COLOR="blue"]fastboot boot boot-US-adb-root.img[/COLOR]
    Output (or similar)
    Code:
    < waiting for any device >
    Downloading 'boot.img'                OKAY [  0.399s]
    booting                                            FAILED (status read failed (Too many links))
    Finished. Total time: 1.449s
    12. Wait to reboot and bootanimation start

    13. Copy Recovery and Bootloader files
    Code:
    [COLOR="blue"]adb push install_recovery.sh /data/media/0/
    adb push recovery.img /data/media/0/
    adb push u-boot-with-spl-mbr-gpt.bin /data/media/0/[/COLOR]
    Output (or similar)
    Code:
    install_recovery.sh: 1 file pushed. 0.2 MB/s (687 bytes in 0.004s)
    recovery.img: 1 file pushed. 1.1 MB/s (16777216 bytes in 14.611s)
    u-boot-with-spl-mbr-gpt.bin: 1 file pushed. 0.5 MB/s (894164 bytes in 1.839s)
    14. Run Recovery installation script
    Code:
    [COLOR="blue"]adb shell cd /data/media/0/; sh install_recovery.sh[/COLOR]
    Output (or similar)
    Code:
    ============= STOCK Installer ===============
    Flashing recovery...
    4096+0 records in
    4096+0 records out
    16777216 bytes (16.0MB) copied, 2.461221 seconds, 6.5MB/s
    Done. OTA updates should now work.
    15. Flash the Bootloader
    Code:
    [COLOR="Blue"]adb shell busybox dd if=/data/media/0/u-boot-with-spl-mbr-gpt.bin of=/dev/block/mmcblk0[/COLOR]
    Output (or similar)
    Code:
    1746+1 records in
    1746+1 records out
    894164 bytes (873.2KB) copied, 1.002318 seconds, 871.2KB/s
    16. Erase Recovery and Bootloader files
    Code:
    [COLOR="blue"]adb shell rm /data/media/0/install_recovery.sh 
    adb shell rm /data/media/0/recovery.img
    adb shell rm /data/media/0/u-boot-with-spl-mbr-gpt.bin
    adb shell rm -rf /data/dalvik-cache[/COLOR]
    17. Reboot
    Code:
    [COLOR="blue"]adb reboot
    adb kill-server
    [/COLOR]
    18. Finished

    Factory reset
    Every time you flash a new firmware, it is recommended to do a factory reset to avoid any bug
    Code:
    [COLOR="blue"]adb shell reboot bootloader
    fastboot erase cache
    fastboot erase data
    fastboot reboot[/COLOR]
    3
    New 2.8.3.0 Stock Official Multilanguage firmware installer

    New 2.8.3.0 Stock Official Multilanguage firmware installer

    Downloads
    Stock 2.8.3.0 Firmware installer with fixed OTA updates

    2.8.1.0 -> 2.8.3.0 OTA Installer
    This installer is for those who are on 2.8.1.0 and didn't get 2.8.3.0 OTA and want to update. Only adb/fastboot drivers are needed, unlocked bootloader is not needed as this is an official update.
    Unzip the .zip file and run INSTALL_OTA_US.bat.


    Downloads
    2.8.1.0 -> 2.8.3.0 OTA Installer

    Changelog
    Added support for Italian and French
    Add location app
    Optimize system stability
    Bug fixes


    Enjoy!