Huawei Y9 2018 - FLA-LX1

Should Supports all Huawei Y9 2018 variants but tested on FLA-LX1

This repository contains tools and method to flash GSI images larger than the system partition.

This can be used with other Hisilicon Kirin 659 devices but with caution, resizing the partitions must match your device layout.

Tools needed

1. ADB/fastboot - (Ensure driver is installed)

2. parted and mkfs.ext4 - tools folder

3. TWRP recovery - recoveries folder

4. Unlocked bootloader - (PotatoNv tool) - https://github.com/mashed-potatoes/PotatoNV

5. Official firmware matching your android version and CUST version. e.g FLA-LX1(C185) - https://androidhost.ru/search.html or https://ministryofsolutions.com/

Be ready to lose your personal data - (Music, Videos etc)

Guide

1. Unlock bootloader with PotatoNv

2. Extract your firmware zip files then extract UPDATE.app with splituapp. Also extract the firmware update with splituapp e.g python splituapp -f UPDATE.app and python splituapp -f update_FLA-L21_hw_meafnaf.app. You will have your firmware images e.g system.img inside the output folder. Note: erecovery_ramdisk might be saved as erecovery_ramdis.img so take note when flashing.

3. Flash TWRP image inside the recoveries folder e.g fastboot flash erecovery_ramdisk twrp_p10_lite_0.4.img fastboot reboot

4. Reboot to TWRP. Press up button while the phone is booting.

5. Push parted to sbin - Open tools folder and follow instructions

6. Resize system by following the instructions inside resize-system folder

7. Reflash resized partitions with corresponding images. E.g fastboot flash system system.img. Images are located in the output folder generated by splituapp. Follow the order of partitions inside parted-info directory

Info

1. Boot to fastboot - Switch off device, hold Volume Down and plug usb
2. Boot to recovery - Unplug and swith off device. Volume Up and Power Button
3. Boot to erecovery - Switch of device. Turn on device then press volume up for three seconds when prompted.

If you flash TWRP to erecovery_ramdisk then you will boot to it via Boot to erecovery. If you flash TWRP to recovery_ramdisk then you will boot to it via Boot to recovery.