DESCRIPTION

ROM Mobile Huawei Y9 Prime 2019 Stark-L21M – ROM Android 9.1.0

ONLY HiSilicon Kirin 710F

ROM Official Huawei Y9 Prime 2019 Stark-L21M version : Stark-L21BHNVX hw_meafnaf 9.1.0.341_C185E2R5P1 – EMUI9.1.0_05016LQE

Gapps not include – No Rooted

Language support: Multilang

ROM install :

Step one: Prepare an SD card, it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 8G.
Step Two: Formatting SD card (optional).
The step three: copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Step four: Check the root directory of the SD card you dload UPDATA.APP.
Step 5: SD card into the phone is switched on in the main screen, press the Menu key, the system updates -> SD card upgrade -> confirm -> upgrade, backup data, select the backup data; upgrade.

Step Six: The upgrade process progress bar shows after the finish of the pending progress bar, the phone automatically restart.

or

Step one: Prepare an SD card, it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 8G.
Step Two: Formatting SD card (optional).
The step three: copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Step four: Check the root directory of the SD card you dload UPDATA.APP.
Step Four: cell phone turned off, insert the SD card, while pressing the volume up button + volume down key switch button, the phone automatically enters the upgrade mode, and then begin the upgrade in Figure

Step Five: After the progress bar to go full fixed, the phone will automatically restart If you do not manually remove the battery (if your battery is removable).

※Please make a backup of your device before installing or updating ROM