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

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Bernd83

New member
Aug 2, 2022
4
0
Hallo Leute, ich interessiere mich wirklich für dieses Gerät, um mein aktuelles zu entgiften.


Das grundlegende "Amazon" 3x32 ist rootbar und kann es Gapps oder MicroG aufnehmen?
https://www.aliexpress.com/item/1005003829459139.html?spm=a2g0o.productlist.0.0.3aa168953oJ97m&algo_pvid=ce9a70c9-29ca-42e1-a56d-7b2f74d84543&algo_exp_id=ce9a70c9-29ca-42e1-a56d-7b2f74d84543-3&pdp_ext_f=%7B %22sku_id%22%3A%2212000029456301368%22%7D&pdp_npi=2%40dis%21EUR%21137.35%21111.26%21%21%21%21%21%402100bb5116594702040133785e07e2%0219sea0.68%2119sea0

Oder vielleicht ist diese Version besser:

https://www.alibaba.com/product-det...langsam seinen "Dumbphone" -Appeal verliert.

Das wer super wenn ( Ich möchte vorerst nur ein paar Sprachen in die T9-Tastatur einbauen ) das hin bekommen würdest .

Mod translation: That would be great if (I only want to build a few languages into the T9 keyboard for the time being) you could do it.
 
Last edited by a moderator:

Jbazt_katuforzs

Senior Member
Mar 25, 2008
716
87
Baliuag Bulacan
Hello folks, really looking into this device to de-tox from my current one.


The basic "Amazon" 3x32 is rootable and can it take Gapps or MicroG?
https://www.aliexpress.com/item/1005003829459139.html?spm=a2g0o.productlist.0.0.3aa168953oJ97m&algo_pvid=ce9a70c9-29ca-42e1-a56d-7b2f74d84543&algo_exp_id=ce9a70c9-29ca-42e1-a56d-7b2f74d84543-3&pdp_ext_f=%7B%22sku_id%22%3A%2212000029456301368%22%7D&pdp_npi=2%40dis%21EUR%21137.35%21111.26%21%21%21%21%21%402100bb5116594702040133785e07e2%2112000029456301368%21sea

Or maybe this version is better:


I'm looking into the 3/32 version because I don't see much of a point of having 4Gb of Ram in this kind of device, should I reconsider my choice?

For the time being i'd only like to install a few languages in the T9 keypad, and microg instead of Gapps if possible. Also, all the apps I use including banking apps.

Is the keypad light bug fixed, or is it still dark most of the time? It's not a dealbreaker for me, but it'd be nice if it's fixed/fixable.

Also, with the upcoming new version f22, do you think this one will lower its price? Is the newer one worth it? I don't know how much it will cost, looks bigger and nicer which I suppose is good for some things but starts to lose it's "dumbphone" appeal.
yes you could install microG instead of GAPPS. yes you could use all banking apps with no problems.
the new F22 pro became significantly bigger as for its dimensions compared to F21 pro. and theres still no development for the device yet so you might need to wait a bit longer to unlocked phone's full potential
you could buy the phone from that link but when you reset that device, the root+playstore might dissappear so you need to do this tutorial to bring it back coz the seller might not give you support. but the phone from that link was already bootloader unlocked so that could save you the hussle of unlocking the bootloader yourself.
 

Badger50

Senior Moderator
Staff member
@Bernd83

Greetings, and welcome to XDA. As a "last time" courtesy, I have translated all 3 of your posts since joining XDA. Please take a moment to review all XDA Forum Rules again,
with particular emphasis on Rule #4:
4. Use the English language.

We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
Your cooperation is appreciated, and enjoy your stay on XDA

-Regards: Badger50
 
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Bernd83

New member
Aug 2, 2022
4
0
Good morning.
Unfortunately, I really don't speak English.
and I assumed that it would be translated automatically, but it can also be due to Google on my PC.
well then it means that I can only answer in the morning or in the evening when I'm at home.
because otherwise I don't find the time at work to have this translated into English because I only have a few minutes to write something before I have to leave again.
I already mentioned the device is mainly for grandma again and it would be really nice if someone could help me here how to get the device in German as far as the physical keyboard is concerned because with t9 it only writes in English and the German dictionary cannot be inserted .
I've also tried other apps but they all control the keyboard with me. MFG Bernd
 

lgexalter

Member
Jan 10, 2021
7
10
Does anyone have the stock recovery image? I would like to go back from twrp after this process.

A few of my apps (e.g. message+) are crashing after setting them as system apps using systemizer. Anyone else having this issue?

this is the one that worked for me, i extracted it from a rom from the mitmachim forum, and it includes twrp
Can you provide a link to this mitmachim forum? I would like to check it out.
 
Last edited:

ygreenes

Member
Dec 1, 2010
13
4
Here is the link to the 3/32 firmware provided by mitmachim:

and here is a link to the thread called how to unbrick qin f21 pro:
 

Leebrown2709

Member
Sep 13, 2021
20
0
i have tried to flash this several times, cant seem to get passed step 10, loading twrp.

Before anyone says read this comments or press the right buttons. I have done this but ends up just going to fastboot mode. I have the 64gb pro version. So dont see why these steps wouldnt work.


Any advice would be great!
 

dugu1248

Senior Member
Aug 24, 2012
151
7
Motorola Edge 20 Pro
Here is the link to the 3/32 firmware provided by mitmachim:

and here is a link to the thread called how to unbrick qin f21 pro:
Would you please translate it to English?
 

Jbazt_katuforzs

Senior Member
Mar 25, 2008
716
87
Baliuag Bulacan
i have tried to flash this several times, cant seem to get passed step 10, loading twrp.

Before anyone says read this comments or press the right buttons. I have done this but ends up just going to fastboot mode. I have the 64gb pro version. So dont see why these steps wouldnt work.


Any advice would be great!
after flashing you can try to go to fastboot and run command "fastboot reboot recovery" check if the phone will respond.
 

Jbazt_katuforzs

Senior Member
Mar 25, 2008
716
87
Baliuag Bulacan
I have and literally nothing happens, just stuck on the fastboot screen. When I type in fastboot devices it doesn't even show the device as being there unlike any other android device I have had.
what variants you have? mine came in a white box. i think newer batches came in blue box are different and sometimes came with no imei. try to factory reset it via fastboot, try to flash a full dump first before flashing this , or look for a stand alone twrp recovery file for your variant and flash it separately via fastboot command.
 
Last edited:

Leebrown2709

Member
Sep 13, 2021
20
0
what variants you have? mine came in a white box. i think newer batches came in blue box are different and sometimes came with no imei. try to flash a full dump first before flashing this64

what variants you have? mine came in a white box. i think newer batches came in blue box are different and sometimes came with no imei. try to flash a full dump first before flashing this
64gb came in blue box, my phone does have imei number. I managed to get on to twrp, however i am trying to flash the boot.img now and it says no os installed, failed to mount. Think there is no partition. Is there anyway to to sort tha
 

Jbazt_katuforzs

Senior Member
Mar 25, 2008
716
87
Baliuag Bulacan
64gb came in blue box, my phone does have imei number. I managed to get on to twrp, however i am trying to flash the boot.img now and it says no os installed, failed to mount. Think there is no partition. Is there anyway to to sort tha
because you probably changed to use the B partition. everything should be flash to A, so firmware is in A. you accidentally changed it to B in twrp
 

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  • 1
    Hi I used these instructions for a F21 Pro 32GB
    Thank very much! it worked.
    However I spent 10 hours to get playstore to work
    I am a iphone guy, so android and rooting android was new to me.
    Several things can be clearer. I will list them here to help others.
    Step 4) before step 4 you need to have your wifi password, otherwise you cannot proceed.
    also the screen shots found in later pages, showing the differece between "installed" and not "installed" helped alot.
    "the apps" should say "the app" (I initially thought that all apk's need patching and wasted a lot of time trying to do it)
    Step 5) as I have 32gb I used the BOOT.IMG 3/32 in the initial step 13)
    it could be made clear that if this is the case you need to patch use this file thought, not "boot_2.img".
    Step 8) it could be made clearer that you are patching a file and the resulting file will be located on the phone.
    WARNING: AFTER SEARCING FOR AGES I FOUND THE PATCHED FILE IN A DIFFERENT LOCATION. main "DOWNLOADS" (not /sd...) so the message in Magisk had the wrong location.

    14) open Terminal emulator app. Instructions did not work. after "su" there was no "grant" message, it opened up Magisk, and the other actions did nothing.
    After many guesses, I tried unhiding Magisk, rebooting, and then 14) worked. I then rebooted, and re-hid Magisk
    so the instructions to hide magisk is premature, in my case and caused it to fail.
    The above took me 10 hours to realise.
    Got there in the end though.
    Thank you
  • 5
    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
    IMG_20220520_202046_114.jpg
    2
    Here is the link to the 3/32 firmware provided by mitmachim:

    and here is a link to the thread called how to unbrick qin f21 pro:
    2
    It appears to be an issues acrossed android 11 OEM firmware phones (Chinese?). Happens to my Blackshark 3 too running Android 11. For some reasons, its a new way of the firmware how to improved battery life (or bugged). I've observed that keeping the app running in the background solves some of my notifications issue. Or if you can get an app drawer that has an option to PIN the app in recents tab preventing to kill the app process. Just try it for yourself goodluck
    what i did to fix the notification issue is to install the app as an system app, i used magisk module called systemizer.
    have a look on youtube you will find an tutorial.
    1
    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
    1
    Hi I used these instructions for a F21 Pro 32GB
    Thank very much! it worked.
    However I spent 10 hours to get playstore to work
    I am a iphone guy, so android and rooting android was new to me.
    Several things can be clearer. I will list them here to help others.
    Step 4) before step 4 you need to have your wifi password, otherwise you cannot proceed.
    also the screen shots found in later pages, showing the differece between "installed" and not "installed" helped alot.
    "the apps" should say "the app" (I initially thought that all apk's need patching and wasted a lot of time trying to do it)
    Step 5) as I have 32gb I used the BOOT.IMG 3/32 in the initial step 13)
    it could be made clear that if this is the case you need to patch use this file thought, not "boot_2.img".
    Step 8) it could be made clearer that you are patching a file and the resulting file will be located on the phone.
    WARNING: AFTER SEARCING FOR AGES I FOUND THE PATCHED FILE IN A DIFFERENT LOCATION. main "DOWNLOADS" (not /sd...) so the message in Magisk had the wrong location.

    14) open Terminal emulator app. Instructions did not work. after "su" there was no "grant" message, it opened up Magisk, and the other actions did nothing.
    After many guesses, I tried unhiding Magisk, rebooting, and then 14) worked. I then rebooted, and re-hid Magisk
    so the instructions to hide magisk is premature, in my case and caused it to fail.
    The above took me 10 hours to realise.
    Got there in the end though.
    Thank you