Saturday, April 2, 2016

Stuck on boot screen after unrooting and installing OTA update

Hi guys

So today I decided to unroot my phone and restore the stock ROM. I started by restoring backup that I made using TWRP before installing the custom ROM. After installing the stock ROM I powered on the phone and found the SuperSU was installed so I went to the settings and unrooted my phone. After that, I downloaded stock recovery file 4.16.401.10 from this thread http://ift.tt/1RUAlAn> and flashed it on my phone.

Everything was working fine until I installed a OTA and after installing the update, it got stuck on HTC boot screen. I tried pressing volume up+ power buttons but the screen goes black after the first boot screen. I tried factory reset and clearing cash partition but to no avail. When I factory reset my phone it passes the first boot screen but it get stuck in the second boot screen where it shows HTC one m8.

I used fastboot before unrooting to get my cid and other information.
Quote:

(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: 1.25.214500021.06G
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 4.16.401.10
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: m8_ul
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B10000
(bootloader) cidnum: HTC__J15
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 3aa067db
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
Also when I go to the recovery screen I get this

Quote:

missing bitmap oem_unlock_bg (code -1)
missing bitmap oem_unlock_bg (code -1)_yes
missing bitmap oem_unlock_bg (code -1)_no
handle_cota_install; can't mount /sdcard, 1times
handle_cota_install; can't mount /sdcard, 2times
handle_cota_install; can't mount /sdcard, 3times
handle_cota_install; can't mount /sdcard, 4times
handle_cota_install; can't mount /sdcard, 5times
Please help I feel like my phone is bricked for good


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