stuck on optimizing system! - Huawei P9 Questions & Answers

hello there
upon updating the android on P9 the phone got stuck on optimizing system and been like this for the past hour! what to do??!
solved by restarting phone holding power and volume down buttons and so it booted up normally

same problem here

Related

No boot: blank screen with backlight and motorola logo loop

the phone does not turn on, stays in the loop motorola logo and does not turn on the device.
the power button not working.
since i got the phone (used), no longer had boot, but worked normally after having applied an update.zip by one recovery reboot apk, he started getting looped on motorola logo
android 2.1 i think
any ideia? tks!
ok, i fix it.
the problem was the power button aways pressed. because that, i cant get on boot scrren! ^^
tks!

One M7 Bootloop without flashing stuff before

Hi,
my Phone restarted spontaneously today and is now stuck in a bootloop. I tried to turn it off by holding the power button but that didn't work. Even when I enter the bootloader, the phone continues rebooting all the time. I only see the white htc screen for a second and then the device reboots again and again, until the battery is empty.
I didn't flash anything new before this happened. The device worked pretty well with CM 12.1 for a long time.
Is there a change to repair this? Is it a hardware issue?

HTC 626ph Restarting again again not booting.

Guys, HTC 626ph is restarting again again. Can not go to hard reset menu or fast boot mode it,when i press the a volume down and power button it appears and phone is restating. I tried by replacing battery , same thing happens again. Firmware can not be installed because it is not going to fast boot mode, it restarting and HTC logo appear and it restating. How should I solve this??
Same thing happened to me. I flashed it with sp flash tool, but now the screen just lights up and restarting. any ideas

[help needed] Boot loop

Hello guys, I'm have problems with my Nokia 2.1.
The phone just shutdown for no reason, i couldnt turn it on for 2 days. Then it turned on and i decided to do reset it to default settings. After this the phone is stuch on boot loop.
This is one of the fastest boot loops i have ever saw, the phone does 1 cycle for 2 seconds, its stuck on "Powered by Android go edition".
It can only be turned on to this boot loop if its on charger, if i connect it to laptop/tried on 3 different ones/ it doesnt even recognise it as a device - like i did nothing.
I tried holding vol up+power for 10-20-30 second - nothing.
Tried vol down +power - nothing
vol up+vol down - nothing
Single key + charger - nothing
I cant find relevent case in google, so i need your help as i dont want to waste 2 months to wait my carrier to fix it for me as it is still in warranty.
Im open to anything, thanks in advance.
Same problems here : Bootloops, random shutdowns , Messages with "cant start android system" etc etc.
It happened after the last 2 forced system updates.
Same Problem Does Anyone Have Solution ???

TWRP BOOTLOOP

Hello guys.
I hope someone can help me, it's a disaster
Im from Rom Stable 1.7.
Last night I installed the 2.1 ROM . The installation went well . I noticed that at the end of the installation TWRP offered to install a new version . I declined and exited the recovery mode. Everything was fine.
Today I wanted to flash the Hotfix patch because I have the usb c to usb c battery problem.
I turn off my phone, I press ON+bixby+up, the TWRP logo appears, and I enter a bootloop, TWRP does not launch !
I press ON+bixby+down,
The samsung logo appears and the phone launches. I try again, and there, bootloop also. I'm doing ON+Bixby+UP or DOWN again, I'm stuck on TWRP loogo!!! My computer no longer detects the phone by USB and ODIN does not detect it. HELP ME
I cant shutdown my phone, battery drain please help me :'(
I had this problem on the Note 8, I went on YouTube and solved my problem by pressing power,vol down,bixby button,all together.
Then once the screen comes on,straight away,do the power button,bixby and volume up,keep them presssed until the samsung logo appears,or just keep pressing, on mine this returned me to twrp.
I tried all the combinations, with or without my USB cable plugged in:
*POWER+BIXBY+DOWN until TWRP shutdown then i dont push anything : samsung logo then TWRP bootloop.
*POWER+BIXBY+DOWN until TWRP shutdown then i hold on: Samsung logo then TWRP 1 second then Samsung logo etc....
*POWER+BIXBY+DOWN until TRWP shutdown then Samsung Logo then UP+BIXBY+TWRP: TWRP bootloop.
I think i did a mistake when i tried to exit TWRP bootloop the second time with POWER+BIXBY+DOWN because my phone was connected on my computer....
Update :
Actually when i : POWER + BIXBY + DOWN the phone shutdown. Then, POWER button doesn't works. Power+bixby+Down or UP doesn't works.
When i try to charge or connect on my computer, TWRP logo appear 5 seconds then phone is shutting down.
Hi! I ma facing the same issue. Anyone able to fix?

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