[GUIDE] Xiaomi Qin F21 Pro Custom Firmware, Root, Playstore Certified

[Jbazt_katuforzs]

I bought a cracked version of the 4/64 version of Xiaomi Qin F21 Pro unlocked bootloader, rooted, and with preinstalled fully working Google Playstore and Play services running on the official firmware 2.0.8.

But lately there's a very nice update development from 4PDA website for the device! It took me a while before I made it work and a lot of trial and error.

I will make a full detailed easy to follow step by step tutorials on how to do it with all the links for the files required.

The results will be:

• A fully converted v1.1.1 custom firmware without the chinese apps
• TWRP Recovery
• fully rooted
• certified playstore and google services fully working
• THE PROCESS COULD ALSO UNBRICKED THE PHONE

Requirements:

• PC
• UNLOCKED BOOTLOADER Xiaomi Qin F21 Pro (MTK soc) V1.0+ V2.0+ (4/64gb ONLY)
• Files (will be provided)
• working brain

CREDITS:

• 4PDA FORUMS device thread
• Telegram Group
• DEVS for the unlock bootloader tool
• DEVS for the Custom Firmware
• DEVS for porting TWRP
• testers
• many more I probably forgot

...........TUTORIALS SOON

 

[Jbazt_katuforzs]

TUTORIAL UPDATE!

MY DEVICE IS 4/64 with unlocked bootloader

Unofficial Qin F21 Pro (MTK chipset) firmware, version 1.1.1 multilanguage.
Thanks to @redsat, @gaguga and the whole 4pda community.
Install at your own risk and responsibility.
For testing purposes only, will be updated or changed if necessary.
Use SP flash tool for flashing, bootloader should be unlocked on the phone (via @mlgmxyysd tool or Ubuntu boot image). Having the full own ROM dump is highly recommended in advance.

Changes:
-Removed chinese applications
-Decrypted data partition
-APK installer with no restrictions
-System partitions are writable
TWRP recovery 3.6.0_11-0 is added
(In TWRP the phone memory is accessible via path: /data/media/0)


WARNING: FLASHING THE FIRMWARE WILL WIPE EVERYTHING! I SUGGEST BACKUP IMPORTANT FILES BEFORE DOING THIS. I WILL NOT BE HELD RESPONSIBLE IF YOUR PHONE DONT BOOT, SOFT/HARD BRICKED! THIS TUTORIAL IS TO DO AT YOUR OWN RISK!

ALL FILES REQUIRED FOR WINDOWS https://www.mediafire.com/file/tl8hv77gl0vo6sd/qin_f21_pro_mtk.zip/file

1. download and extract zip
2. extract "F21PRO_1.1.1 (2).zip" (the firmware)
3. extract "SP_Flash_Tool_V5.zip" (flash tool)
4. install drivers
5. open "flash_tool.exe"
6. select scatter file from the firmware folder
7. click download
8. turn phone off
9. hold back button then plug usb cable to pc. It should start flashing
10. after download complete, unplug then boot to TWRP then reset factory
11. Congrats! You now have chinese free apps firmware with TWRP Installed
12. If it wont boot "DEVICE ENCRYPTED", just go to TWRP and FORMAT DATA then reboot (it should boot to system now)
13. transfer "boot_2.img" phone or transfer it to a USB Flashdrive (more easier to locate) (FOR 3/32 VARIANTS TRY TO USE THIS BOOT IMAGE BOOT.IMG 3/32)
14. boot to TWRP once again
15. go to device path /data/media/0 or USB storage path using OTG
16. FLASH IMAGE "boot_2.img" to boot partition to fix the device twrp path to /sdcard (IMPORTANT! boot is an IMAGE FILE not ZIP FILE. by default, TWRP is set to check for zip file and will n0t se IMAGE FILES in the directories. YOU NEED TO TAP THE INSTAL IMAGE BUTTON so image files will appear)
17. reboot and proceed to installing ROOT and Google services

HOW TO BOOT TWRP:

* + heart button (upper left) + power on. once douqin logo appears press up button + power on immediately. TWRP first boot is in Russian language. just change it to english change twrp language


HOW TO ROOT + GAPPS with playstore certified + fix keypad annoying issue

1. transfer all the app APK from the "APK" folder youve download
2. install everything (QinPad be a more stable keypad input)
3. open gboard and enabled both gboard and QinPad (this should give you a quick switch of input in the notification bar everytime you will type something)
4. open MAgisk app and update the apps to 22.1. phone reboots (DO NOT UPDATE TO VERSION 24.3)
5. Open magisk again then Install Magisk > Select a patch file > choose "boot_2.img" in your directory (path where you transfer it)
6. transfer "open_gapps-arm64-11.0-pico-20211217.zip" to device
7. boot to TWRP
8. FLASH IMAGE "boot_2.img_patch" IN THE BOOT PARTITION. then reboot. should be found in download path in TWRP
9. go TWRP again and flash "open_gapps-arm64-11.0-pico-20211217.zip"
10. reboot > SYSTEM
11. you will see playstore. you will have an annoying message "device isnt playstore certified" just ignore it
12. open MAGISK app go to settings and enable MAGISK HIDE, search module and install "Busybox for NDK" then reboot
13. open MAGISK app, search module and install "MagiskHide Props Config" then reboot
14. open Terminal emulator app
15. type "su" enter (grant permission)
16. type "props" enter
17. type "1" enter
18. type "F" enter
19. type "30" enter
20. type "25" enter
21. type "2" enter
22. type "y" enter
23. type "y" enter (phone reboots)
24. after reboot wait gapps to update (around 5-10 mins) then sign in to playstore
25. you've now enter Playstore
26. go to playstore settings > about > click update playstore
27. wait for it to update the version and keep checking in playstore settings > about > IF DEVICE IS CERTIFIED
28. If the updated playstore still said " DEVICE IS NOT CERTIFIED", proceed to manual
29. install device id apps from playstore and copy your GSF ID
30. register it manually here > https://www.google.com/android/uncertified/?pli=1
31. go settings ~ apps and look for playstore and play services and clear data. reboot phone and Playstore should be certified!

Congats! your phone now is rooted with twrp, no more chinese apps, and with fully working google services. I suggest perform a TWRP backup and store it somewhere safe for future use.


HOW TO FIX NO/DELAYED INSTALLED APPS NOTIFICATIONS

Thanks for JawadEly for the info, it works!

1. Install all your apps
2. Install terminal emulator app and system app remover app from playstore (this will give you the apk path you want to systemize)

3. open magisk, search and intall "APP SYSTEMIZER" module then reboot.
4. open terminal emulator app
6. type "su" and grant the permission
7. type "systemize"
8. You need to set Selinux = TRUE by choosing "s"
9. once its set to TRUE, you can now systemize any app provided you know the apk path of the apps installed.
10. enter "3", here is where you put the apk path of the app you want to systemize
11. to get the apk path of installed app open the "system app remover" app you installed.
12. go to user apps and LONG PRESS an app you wish to systemize.
13. copy the apk path then go to terminal emulator and paste it. Type "1" to confirm.
14. Go to settings > apps list > clear storage of that app you transfer as system app
15. done! just repeat the proceedure for each app you wish to fix the notifications.

BEWARE! Be careful using system app remover. Don't uninstall system apps required for the android system. You might end up in a bootloop. This app is also used to remove bloatwares of OEM firmwares.

I made this tutorial as DETAILED and as EASY TO FOLLOW as posible. Credits to 4pda community group and for individuals who contributed that made all this posible. Sorry if my English bad. Not my native language. If you lke the tutorial, you can buy me a beer.
paypal > [email protected]
gcash > 09912293147

 

[ruoai 520]

Hello, I have an F21PRO I am looking for a custom firmware, saw your tutorial, but only saw the directory, there is no specific tutorial, so when you update, please notify me. Thank you，I am using a translator to talk to you, please understand

 

[labnotes]

keep us posted, looking forward to this!

 

[Sense_101]

really looking forward to this, mostly about having custom recovery for this phone!

 

[jason24589]

Any updates for that? It's been 2 months since this was posted.

 

[Jbazt_katuforzs]

sorry just got too busy but here it is now! enjoy

 

[harahaum1]

Can I change qinpad language? or duoqin IME language? I want to change Korean, but I can't find the way.

 

[Trilliant ttt]

Thanks a bunch bro, Followed all the steps and somehow I managed to get it working. M a d

Cheers!

 

[Sense_101]

thank you, will this recognise uk area codes?

 

[ykalinga]

please help I can not install qinpad, it says app not installed?

 

[labnotes]

UPDATE! MY DEVICE IS 4/64 with unlocked bootloader (must)

Unofficial Qin F21 Pro (MTK chipset) firmware, version 1.1.1 multilanguage.
Thanks to @redsat, @gaguga and the whole 4pda community.
Install at your own risk and responsibility.
For testing purposes only, will be updated or changed if necessary.
Use SP flash tool for flashing, bootloader should be unlocked on the phone (via @mlgmxyysd tool or Ubuntu boot image). Having the full own ROM dump is highly recommended in advance.

Changes:
-Removed chinese applications
-Decrypted data partition
-APK installer with no restrictions
-System partitions are writable
TWRP recovery 3.6.0_11-0 is added
(In TWRP the phone memory is accessible via path: /data/media/0)
Separate TWRP as boot.img attached as well (thanks to 4pda comrade @yurxxl)
Also you can install Magisk and GAPPS as zip packages via TWRP.

WARNING: FLASHING THE FIRMWARE WILL WIPE EVERYTHING! I SUGGEST BACKUP IMPORTANT FILES BEFORE DOING THIS

ALL FILES NEEDED for WINDOWS https://www.mediafire.com/file/tl8hv77gl0vo6sd/qin_f21_pro_mtk.zip/file

1. download and extract zip
2. extract "F21PRO_1.1.1 (2).zip" (the firmware)
3. extract "SP_Flash_Tool_V5.zip" (flash tool)
4. install drivers
5. open "flash_tool.exe"
6. select scatter file from the firmware folder
7. click download
8. turn phone off
9. hold back button then plug usb cable to pc. It should start flashing
10. after download complete, unplug then boot to TWRP then reset factory
11. Congrats! You now have chinese free apps firmware with TWRP Installed
12. If it wont boot "DEVICE ENCRYPTED", just go to TWRP and FORMAT DATA then reboot (it should boot to system now)
13. transfer "boot_2.img" phone or transfer it to a USB Flashdrive (more easier to locate)
14. boot to TWRP once again
15. go to device path /data/media/0 or USB storage path using OTG
16. FLASH IMAGE "boot_2.img" to boot partition to fix the device twrp path to /sdcard
17. reboot and proceed to installing ROOT and Google services

HOW TO BOOT TWRP:

* + heart button (upper left) + power on. once douqin logo appears press up button + power on immediately. TWRP first boot is in Russian language. just change it to english change twrp language


HOW TO ROOT + GAPPS with playstore certified + fix keypad annoying issue

1. transfer all the app APK from the "APK" folder youve download
2. install everything (QinPad be a more stable keypad input)
3. open gboard and enabled both gboard and QinPad (this should give you a quick switch of input in the notification bar everytime you will type something)
4. open MAgisk app and update the apps to 22.1. phone reboots (DO NOT UPDATE TO VERSION 24.3)
5. Open magisk again then Install Magisk > Select a patch file > choose "boot_2.img" in your directory
6. transfer "open_gapps-arm64-11.0-pico-20211217.zip" to device
7. boot to TWRP
8. FLASH IMAGE "boot_2.img_patch" should be in download path
9. flash "open_gapps-arm64-11.0-pico-20211217.zip"
10. reboot THE CURRENT SLOT
11. you will see playstore. you will have an annoying message "device isnt playstore certified" just ignore it
12. open MAGISK app go to settings and enable MAGISK HIDE, search module and install "Busybox for NDK" then reboot
13. open MAGISK app, search module and install "MagiskHide Props Config" then reboot
14. open Terminal emulator app
15. type "su" enter (grant permission)
16. type "props" enter
17. type "1" enter
18. type "F" enter
19. type "30"
20. type "25"
21. type "2"
22. type "y" enter
23. type "y" enter (phone reboots)
24. after reboot wait gapps to update (around 5-10 mins) then sign in to playstore
25. you've now enter Playstore
26. go to playstore settings > about > click update playstore
27. wait for it to update the version and keep checking in playstore settings > about > IF DEVICE IS CERTIFIED
28. If the updated playstore still said " DEVICE IS NOT CERTIFIED", proceed to manual
29. install device id apps from playstore and copy you GSF ID
30. manual register it here > https://www.google.com/android/uncertified/?pli=1
31. go settings ~ apps and look for playstore and play services and clear data. reboot phone and Playstore should be certified!

Congats! your phone now is rooted with twrp, no more chinese apps, and with fully working google services. I suggest perform a TWRP backup and store it somewhere safe for future use.

I made this tutorial as DETAILED and as EASY TO FOLLOW as posible. Credits to 4pda community group and for individuals who contributed to made this posible. Sorry if my English bad. Not my native language. If you lke the tutorial, you can buy me a beer. paypal > [email protected]

Thank you for this! I managed to get everything installed and running. Will be testing it out in the meantime! Thanks again bro! No more bloatware!

 

[jason24589]

If you have a 32GB model, when using Flash Tool, uncheck the tickbox saying "userdata" as leaving this on will completely brick your device.

 

[Jbazt_katuforzs]

If you have a 32GB model, when using Flash Tool, uncheck the tickbox saying "userdata" as leaving this on will completely brick your device.

thanks for the heads up. but can you confirm too that it can still be re-flash again by holding back button if it got bricked?

 

[jason24589]

thanks for the heads up. but can you confirm too that it can still be re-flash again by holding back button if it got bricked?

I'm not sure. I found that warning from a Telegram group 3 days ago as someone already bricked their 32GB model when they flashed it with userdata option left being checked

 

[jason24589]

Can I change qinpad language? or duoqin IME language? I want to change Korean, but I can't find the way.

I'd suggest to use Traditional T9 IME app. Not sure if this supports Korean as most of the languages supports English, French, Russian, etc.

 

[Jbazt_katuforzs]

I'm not sure. I found that warning from a Telegram group 3 days ago as someone already bricked their 32GB model when they flashed it with userdata option left being checked

i think its in the buildprop. anyways 3/32gb variants, DONT TRY THIS TO YOUR PHONE. TUTORIAL ONLY FOR 4/64.

 

[Jbazt_katuforzs]

Pixel launcher. Nice alternative launcher i confirmed works! Install using magisk

https://forum.xda-developers.com/t/magisk-pixel-launcher-for-android-11.4213619/

 

[Chabanda]

hello, I can't extract "F21PRO_1.1.1 (2).zip" (the firmware). the zip is corrupted. can you re-upload the firmware please?
thanx

 

[Jbazt_katuforzs]

hello, I can't extract "F21PRO_1.1.1 (2).zip" (the firmware). the zip is corrupted. can you re-upload the firmware please?
thanx

Try to use 7zip