I’m running into issues installing the latest version of /e/ (e-0.7-p-2020030644075-dev-mata) for the Essential PH-1 (QP1A.191005.014).
First, I think this part just needs some clarification:
- Unlock bootloader
fastboot flashing unlock
- Unlock critical partition
fastboot flashing unlock_critical
After running the first command, the device restarts, then it shows “No command” below a dead android and begins to bootloop. I believe it’s necessary to hold the volume down key when the Essential logo is displayed to get back to the bootloader, then the second command can be executed. After running the second command, the device restarts again, and it’s necessary to hold the volume down key again to get back to the bootloader. Please let me know if I did something wrong here.
- Temporarily flash a recovery on your device by typing:
fastboot flash boot <recovery_filename>.img
This command threw an error:
Sending 'boot__b' (48712 KB) OKAY [ 1.569s] Writing 'boot__b' FAILED (remote: 'No such partition.') fastboot: error: Command failed
$ sudo fastboot getvar current-slot current-slot: _b Finished. Total time: 0.000s $ sudo fastboot set_active a Setting current slot to 'a' OKAY [ 0.164s] Finished. Total time: 0.165s
Then I had to change the name of the partition to flash:
$ sudo fastboot flash boot twrp-3.2.3-0-mata.img Sending 'boot__a' (48712 KB) OKAY [ 1.706s] Writing 'boot__a' FAILED (remote: 'No such partition.') fastboot: error: Command failed $ sudo fastboot flash boot_a twrp-3.2.3-0-mata.img Sending 'boot_a' (48712 KB) OKAY [ 1.673s] Writing 'boot_a' OKAY [ 0.465s] Finished. Total time: 2.140s
Now I can boot into TWRP, but I’m unable to create a backup. Every time I try, I get an error:
Updating partition details... ...done Full SELinux support is present. MTP Enabled Updating partition details... ...done * Total number of partitions to back up: 3 * Total size of all data: 2371MB * Available space: 102014MB [BACKUP STARTED] * Backup Folder: /data/media/0/TWRP/BACKUPS/PM1LHMA790901689/1970-04-13--14-37-18_PPR1180610091 Can not create '/data/media/0/TWRP' folder (Operation not permitted). Failed to make backup folder.
I suspect the issue is the data partition is encrypted but I never set a password and TWRP never asks for one. I read here that I should try setting a password, but I can’t get to the regular Android home screen anymore. I’ve tried starting TWRP with “Keep Read Only” and “Allow Modifications”. I’ve tried unmounting/mounting the data partition. I’ve tried changing the active slot. Nothing allows me to create a backup and I’m hesitant to proceed at this point.
Could the fact that I’m downgrading from Android 10 to 9 be causing any issues?