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Huawei Honor 9
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Backup data with TWRP ONLY for Oreo 8.0 firmwares or other backup tool:
adb reboot recovery
(reboots into your recovery and stock recovery if you haven't installed a custom recovery) -
Reboot to eRecovery
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Wipe (factory reset including data) with stock Recovery (not eRecovery; you will need to reflash a stock recovery through fastboot) (TWRP wipe doesn't currently work for EMUI 8)
3.1 Wipe (factory reset) works in this TWRP-Mod by gaguga for Huawei/Honor only with EMUI 9 and in TWRP-Mod by gaguga for Huawei/Honor only with EMUI 9.1
Direct download links: TWRP-Mod by gaguga for Huawei/Honor only with EMUI 9 and TWRP-Mod by gaguga for Huawei/Honor only with EMUI 9.1
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Reboot device
fastboot reboot
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Reboot to fastbootmode
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Flash ROM GSINAME.img to system partition using fastboot
fastboot flash system GSINAME.img
(replace GSINAME.img with the name and location of your GSI image) -
Reboot device
fastboot reboot
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If your having any problems go back into TWRP and wipe the dalvik cache
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Fastboot mode
: long press the volume down key + power button. -
eRecovery mode
: long press the volume up key + power button.
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Recovery mode
: long press the volume up key + power button. -
Upgrade mode
: long press the volume up key + volume down key + power button.
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EMUI 8.0 & 8.1 use ARM64 A Roms.
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EMUI 9.0 & 9.1 use ARM64 AB ROMs due to system as root (if in doubt check here).
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GSIs tested and working well: OpenKirin
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Ported stock Camera exists and mostly work, keeping original quality.
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Brightness stuck at 40%, both in settings and real life.
May be not an issue anymore, started from v19 (2018-06-03), now using v23 (2018-08-07) and never been able to reproduce. Currently (November10, 2019), this clause requires confirmation or rebuttal. -
On-screen navigation buttons can be hidden by adding
qemu.hw.mainkeys=1
to /system/build.prop -
Home button behavior can be set to default (to behave as on EMUI) by replacing /system/phh/huawei/fingerprint.kl content with the following line:
key 174 HOME
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Also refer to devices of same chipset (Kirin 960): Huawei P10 & P10 Plus, Huawei Mate 9,Honor 8 Pro, Huawei Mate 9 Pro and Huawei Nova 2S