Are you sure you run from inside the folder where adb.exe and fastboot.exe is? Boot to bootloader and use terminal pointed to fastboot.exe. Shift+right click -> open command line here. Make sure your devices is listed: adb devices. If device is shown: adb reboot bootloader, to reboot to bootloader. If not, install adb drivers / huawei drivers. The cmd code: ''fastboot'' does not give the wanted result (not found). As windows does not recognize the correct phone, I tried to install a new Huawei USB driver. The problem is, that Windows says the Android Sooner driver is already the best driver available. * Android reboot reason: AP_S_COLDBOOT NA. Volumekey_down_press_process_func Mettre à jour les applications et votre mobile. Il est important de garder notre mobile à jour, donc la première vérification que nous devons faire si le clavier n'apparaît pas sur notre mobile Huawei est d'aller dans Paramètres> Système> Met à jour le système et vérifiez si nous en avons. Ce n'est qu'en installant le problème qu'il Tried android 12 Beta gsi-gms yesterday, no luck Data partition does not install at all, so phone stuck on fastboot screen. 6. Download a stable version of in order to perform Huawei P9 lite root. Just unzip the respective file and copy the SuperSU zip file to your Huawei phone. 7. Now you can also unplug your device from your system. Put it into the TWRP recovery mode by pressing the Home, Power, and Volume Up button simultaneously. 8. The problem for rooting this device is finding a working twrp recovery file. Now to reboot your phone in Recovery So after many tries on my Huawei P9 Lite, i Once the cache partition is cleared, the Huawei P9 will reboot automatically; Read this guide for a more detailed explanation on how to clear cache on the Huawei P9 LG . Boot to Safe Mode. Booting your smartphone into “Safe Mode” will run pre-loaded apps, and will allow you to see if another application is causing the problem. Download marshmallow rollback from Huawei site and put it on sd Create in the root of the SD a folder named dload and put update.app. Turn on phone holding vol up+down and wait. Sorry for bad english----- Post added at 09:46 AM ----- Previous post was at 09:34 AM -----There are 2 part for rollback your huawei p9 3. Download, extract onto sdcard in dload folder, restart phone using vol up & vol down & power. 4. phone will complete boot restart but will then loop the boot process. 5. Do factory reset again 6. After huawei logo, different options show and you are then ok to proceed to login to your google account and setup refreshed phone. bl2xu41.

huawei p9 lite restart problem