Need Help!! Camera and flashlight not working and preflash validation failed - X Play Q&A, Help & Troubleshooting

So i tried to flash this new nougat rom on my xt1562 but when i tried to flash partition gpt.bin it said preflash validation failed (dunno why,aalready unlocked the bootloader) so i restored to stock 6.0.1 using twrp.
After restoring i tried to turn on my flashlight but it didnt work, i had the hardware button flashlight (xposed module) that had caused this issue seconds before i tried to flash nougat .so i disabled the module and restarted but the flashlight still wont work , i tried to open the stock camera app but all i was greeted with was two buttons on a dark blank screen , camera wasnt working either. I used a third party camera app and it showed me the front cam at first. I was so happy the camera is all good and the issue was in the stock can app but when i press switch camera button the app just crashed..
So the bootloader wont let me flash the stock firmware file cuz of the gpt.bin fails to flash. And ive already tried to factory reset, no luck.
Please guys help me i just got the phone and im really worriwd that the camera is gone for good.
On bootloader screen it says "AP Fastboot mode(Secure)" In RED COLOR ,
AND BOTTOM down IT SAYS bootloader unlocked status 3
And fimware modified. Please guys i would really appreciate some help here , ask me anything

How about flashing some rom in TWRP?

minimale_ldz said:
How about flashing some rom in TWRP?
Click to expand...
Click to collapse
Flashed purenexus rom in twrp and camera/flash issue is resolves thanks

Related

Help Please! Image signature verify fail

To install to clockwork recovery manually I replaced the recovery.img file but when i restarted my phone it says:
Image signature verify fail
Your boot/recovery image may have an incorrect signature.
Please update your image to a signature official one
you can remove battery for power down.
muz786 said:
To install to clockwork recovery manually I replaced the recovery.img file but when i restarted my phone it says:
Image signature verify fail
Your boot/recovery image may have an incorrect signature.
Please update your image to a signature official one
you can remove battery for power down.
Click to expand...
Click to collapse
You probably are not rooted. Did you root via superoneclick?
Hmmm. Go into recovery and install a custom rom then flash
Make sure you do not have a stock rom on your phone.
If you flashed B528 (I think) Official ROM, you might have locked bootloader... not sure...
You can flash an unlocked bootloader, it's in the android development forum. I'm not sure if this is the fix though.
http://forum.xda-developers.com/showthread.php?t=1457490
OP, have you got u8800+?
Sent from my U8800
Same here
I have ideos x5 pro and i replaced the img file to this and i have the same prob.
I cant even recovery bot my phone. Always tha same message. Plz help
Please help .. any update for this issue
Kindly help me as i m facing the same problem in my phone ( huawei g510 )
the same message still appearing and i can NOT log into recovery menu or anything else
only tow thing to see
Pink screen instead of the recovery menu
or " Image signature verify fail "
PLZZZZZZZZ HELP
:crying::crying:
Flash rom.
Put the official rom in sd card and use the button combo on your device to flash.
I do not have u8800+, i only have u8860, they are quite similar and i believe this would work

[P8 Lite] black screen after rom flash

Hello to all,
I tried to reflash my P8 Lite to covert from single to double sim, but something went wrong. My device have always the screen black, also when I reboot in bootloader mode. The connection throught fastboot in bootloader mode is available.
I flashed several official rom downloaded from Huwei site, but or the device reboot continuously or the device start but the screen shows only some vertical line (like a vga screen out of frequency).
Via fastboot I tried to erase the partitions but I received always this error: "remote not allowed"
Is this a revertible condition?
Thanks to all.
vertical00 said:
Hello to all,
I tried to reflash my P8 Lite to covert from single to double sim, but something went wrong. My device have always the screen black, also when I reboot in bootloader mode. The connection throught fastboot in bootloader mode is available.
I flashed several official rom downloaded from Huwei site, but or the device reboot continuously or the device start but the screen shows only some vertical line (like a vga screen out of frequency).
Via fastboot I tried to erase the partitions but I received always this error: "remote not allowed"
Is this a revertible condition?
Thanks to all.
Click to expand...
Click to collapse
Haaah, i had the same problem.
staska_lt said:
Haaah, i had the same problem.
Click to expand...
Click to collapse
Have you found any kind of solution?
I executed many research on google, is it possible that the boot logo and the boot animation have been deleted and not restored during the rom flash?
When I flash an Android Rom (system, boot, cust, recovery) all the file on the device are clean or there are other area that are not touched? I saw looking the content of the P8Lite stock image that there are other types of images inside, like (vendor.img, fastboot.img, ecc) but i cannot flash to the device via fastboot.
In these days I tried to restore many stock rom, via fastboot and also via the "local update" but my screen is always black or flickering. The phone is fully functional, the touch is working and I can see the screen making a print screen.
Help me! :crying:
Thank you!
vertical00 said:
Have you found any kind of solution?
I executed many research on google, is it possible that the boot logo and the boot animation have been deleted and not restored during the rom flash?
When I flash an Android Rom (system, boot, cust, recovery) all the file on the device are clean or there are other area that are not touched? I saw looking the content of the P8Lite stock image that there are other types of images inside, like (vendor.img, fastboot.img, ecc) but i cannot flash to the device via fastboot.
In these days I tried to restore many stock rom, via fastboot and also via the "local update" but my screen is always black or flickering. The phone is fully functional, the touch is working and I can see the screen making a print screen.
Help me! :crying:
Thank you!
Click to expand...
Click to collapse
I dont really know how it got fixed, because not me fixed it. How i can remeber he flashed stock recovery, then local update and done.
staska_lt said:
I dont really know how it got fixed, because not me fixed it. How i can remeber he flashed stock recovery, then local update and done.
Click to expand...
Click to collapse
Today I restored the stock rom B133, but nothing changed. The telephone is running with the screen black. With the local update did you restored again the same version of the stock rom?
Do you remember the stock rom version? Was the version installed when you bought the cell?
Thank you.
vertical00 said:
Today I restored the stock rom B133, but nothing changed. The telephone is running with the screen black. With the local update did you restored again the same version of the stock rom?
Do you remember the stock rom version? Was the version installed when you bought the cell?
Thank you.
Click to expand...
Click to collapse
I remember that it was lolipop

Asus Zenfone Max (ZC550KL, Z010D), Android M, Unable To Unlock Bootloader

Hi there! I have this question which I'd love to have answered because I've been on this issue for around 2 days straight.
Long story short:
Tried to flash custom recovery using fastboot, didn't work because bootloader locked
Kept on trying the unlocker apps, none of them even installed fully (THIS WAS WHEN I WAS STILL ON LOLLIPOP)
Somehow, at some point, I just randomly rebooted and BOOM THERE WAS TWRP (Sorry, I don't remember how exactly I managed that. As far as I remember, I was only using fastboot and nothing else)
Flashed CM 14.1 unofficial, device gave an error message regarding boot.img (something like "could not load boot.img"
Used stock ROM to flash OTA Android 6.1
Now the Asus unlocker app downloads but on reboot it says "error: unlock fail !!!"
Obviously, fastboot is unable to flash a recovery right now. I tried ignoring the error message and rebooting to recovery to stop the device from loading the stock recovery again but the device still loads the stock recovery.
I'm really tired
P.S: NO, there is no Enable OEM option in my Developer Options menu and YES, I have all the drivers necessary.
Did you get anywhere with this? I have a similar problem except that I couldn't flash Android 6.1 because the vendor had flashed WW 5.0.2 on a CN phone without also updating the CN recovery to WW. So the update failed its consistency check.
I've got TWRP on there now, but can't unlock the bootloader in 5.0.2 - I think this is why TWRP can't flash anything. It can't see the update files, won't switch to external SD, etc. .
I also found and tried flashing a WW recovery but that didn't work either. I'm wondering now if I got the 615 software by mistake.

Error message system is destroyed while locking

My phone just unlocked while installing Google cam ,while locking there an error msg the system has been destroyed. How to fix this problem? Will I miss ota updates if unlocked?
hey bro your rooting device is locking bootloader and device is crashing Flashing OPR1.170623.026.8.1.10 Rom...
Your gcam used tool https://forum.xda-developers.com/mi-a1/how-to/tool-google-camera-root-magisk-enable-t3747585
Is fastboot available? If it is, try flashing an official rom thru the Mi Flash tool.
Have you solve the problem? I have the same problem
The fastboot it's available but when I use the xiaomi program to reload the stock room, appears like looked and doesn't work.
Someone knows how to fix it?
Thx

Find device storage corrupted and Wifi does not work

Today I tried quartz 3 rom
with orange fox recovery and I have 2 backups of my old miui rom
after reverting back to my old rom I keep getting messages that Find device storage corrupted and Wifi does not work.
After clicking on wifi toggle it reverts back to off state not showing any available networks.
I tried different recoveries and even both of my backups also tried fastmood method and mi flash tool too still no worksround. Please help I can't find solution anywhere.
Ok I noticed that phone is booting haltway while using mi flash tool
Ok I solved it
The first thing you need is unlocked device.
Then boot it into EDL mode and flash through Mi Flash Tool
Vinayakn73 said:
Today I tried quartz 3 rom
with orange fox recovery and I have 2 backups of my old miui rom
after reverting back to my old rom I keep getting messages that Find device storage corrupted and Wifi does not work.
After clicking on wifi toggle it reverts back to off state not showing any available networks.
I tried different recoveries and even both of my backups also tried fastmood method and mi flash tool too still no worksround. Please help I can't find solution anywhere.
Ok I noticed that phone is booting haltway while using mi flash tool
Click to expand...
Click to collapse
DId you find the solution?
I'm also facing the same issue, i tried to reflash using fastboot in mi flash, but getting error as
Writing 'tz' FAILED (remote: 'Critical partition flashing is not allowed')

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