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

Jbazt1900

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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 -
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  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 You do not have permission to view the full content of this post. Log in or register now.)
  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 ρá†ch 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 > You do not have permission to view the full content of this post. Log in or register now.
  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.


https://phc.onl/#forbidden#/eNQbHnl-8k8

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 > jaybazt@gmail.com
gcash > 09912293147

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