HTC U19e - Unlock - Flashing GSIs Rom

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HTC U19e - Unlock - Flashing GSIs Rom

Reference

HTC U19e Stock Rom Information

  • Android 9
  • Software Number 1.00.709.30

Check the Treble GSI Requirements

Download 'vbmeta.img' from Google GSIs

Download Platform Tools, ADB/fastboot

HTC U19e GSIs Boot Result (Arm64/AB-System)

  • Boot GSIs Pass. The boot time is long at first boot
    • lineage-17.1-20210808-UNOFFICIAL-treble_arm64_bvS.img, Android10
    • lineage-19.1-20240419-UNOFFICIAL-arm64_bgN.img, Android12
    • lineage-20.0-20240516-UNOFFICIAL-arm64_bgN.img, Android13
    • PixelExperience_Plus_arm64-ab-13.0-20230914-UNOFFICIAL.img, Android13
  • Boot GSIs Fail.
    • lineage-21.0-20240518-UNOFFICIAL-gsi_arm64_gN.img, Android14
    • lineage-21.0-20240526-UNOFFICIAL-arm64_bgN.img, Android14

HTC U19e Unlock & Flashing GSIs

  • Boot to FastMode

    • The method of Reboot to Bootloader, https://community.htc.com/tw/chat.php?mod=viewthread&tid=35763
    • Method 1
      The phone is power-on, then
      press power key untiles phone power-off and release power key, then
      press volumn down key untiles vibration is starting, then release volumn down key
    • Method 2
      Press volumn down key + power key untiles phone vibration is starting, then leave all key

  • Unlock

    $sudo ./adb devices
$sudo ./adb reboot bootloader
$sudo ./fastboot devices
$sudo ./fastboot flashing unlock
    • on the phone screen select 'unlock bootloader', then the phone will erase and
      reboot to welcome screen

  • Make sure the (bootloader) current-slot:b

    $sudo ./fastboot getvar all

  • Erase

    $sudo ./fastboot erase system_b

  • Flash

    $sudo ./fastboot flash system_b lineage-20.0-20240516-UNOFFICIAL-arm64_bgN.img

  • Disable Android Verified Boot(AVB)

    $sudo ./fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img

  • Using Volumn Key and reboot to 'Recovery Mode'

    • Do not use command '$fastboot -w' to erase userdata, the phone will be boot in power cycle.
    1. In Recovery Mode, select 'Wipe data/factory reset' to wipe /data mount
2. If /data wipes compete, select reboot system now.

Work Around - fastboot < waiting for any device >

  • Work around, https://discuss.grapheneos.org/d/3419-fastboot-waiting-for-device/2
  • fastboot connecting method
    • A template flow. Because this usb driver is really hard to use.
    1. Disable autoprobe
   $cat /sys/bus/usb/drivers_autoprobe
   $sudo echo 0 | sudo tee /sys/bus/usb/drivers_autoprobe
2. plug usb
   $sudo ./fastboot devices
   $sudo ./fastboot getvar all
   $show < waiting for any device >
3. enable autoprobe
   $cat /sys/bus/usb/drivers_autoprobe
   $sudo echo 1 | sudo tee /sys/bus/usb/drivers_autoprobe
4. replug usb & connected

HTC OTA Downloader

  • HTC OTA Downloader App, Download Link
  • Information can be read from ADB command. Remember to enable Developer Options/USB Debug.
    $sudo ./adb shell
$getprop
[ro.product.vendor.name]: [htc_tetdugl]
[ro.cid]: [HTC__621]
[ro.product.version]: [1.00.709.30]
  • Version: 1.00.709.24-1.00.709.28, Size: 567.8MB
    $curl -H "User-Agent: Android-Checkin/8.0" -H "htc1s: 670246FA64RBN019231720627" "http://fotadl.htc.com/OTA_1.00.709.24-1.00.709.281whkapyegkf42pto.zip" -o "OTA_1.00.709.24-1.00.709.281whkapyegkf42pto.zip"
  • Version: 1.00.709.26-1.00.709.28, Size: 569.8MB
    $curl -H "User-Agent: Android-Checkin/8.0" -H "htc1s: 1CC57KYJ01493172062856886" "http://fotadl.htc.com/OTA_1.00.709.26-1.00.709.2867vioep3fxj4a8z1.zip" -o "OTA_1.00.709.26-1.00.709.2867vioep3fxj4a8z1.zip"
  • Version: 1.00.709.28-1.00.709.30, Size: 154.8MB
    $curl -H "User-Agent: Android-Checkin/8.0" -H "htc1s: 42HT464WM0653917206274992" "http://fotadl.htc.com/OTA_1.00.709.28-1.00.709.300d96mg614cdk074q.zip" -o "OTA_1.00.709.28-1.00.709.300d96mg614cdk074q.zip"

Download 'payload_dumper'

ADB Backup System Partition

  • COPY WHOLE PARTITION IMAGE (within device), https://xdaforums.com/t/adb-fastboot-linux-commands-bootloader-kernel-recovery-rom-root-backup.3597181/
  • HTC U19e Partition of A/B system
    • boot.img
      • boot_a -> /dev/block/mmcblk0p12
      • boot_b -> /dev/block/mmcblk0p13
    • dtbo.img
      • dtbo_a -> /dev/block/mmcblk0p46
      • dtbo_b -> /dev/block/mmcblk0p47
    • system.img
      • system_a -> /dev/block/mmcblk0p14
      • system_b -> /dev/block/mmcblk0p15
    • vbmeta.img
      • vbmeta_a -> /dev/block/mmcblk0p63
      • vbmeta_b -> /dev/block/mmcblk0p64
    • factory.img
      • factory -> /dev/block/mmcblk0p65
  • Check Device Mount Mapping
    $sudo ./adb shell
$cd /dev/block/platform/soc/7c4000.sdhci
$ls -al
$cd by-name
$ls -al
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 abl_a -> /dev/block/mmcblk0p28
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 abl_b -> /dev/block/mmcblk0p29
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 aop_a -> /dev/block/mmcblk0p7
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 aop_b -> /dev/block/mmcblk0p8
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 apdp -> /dev/block/mmcblk0p32
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 apppreload -> /dev/block/mmcblk0p66
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 bluetooth_a -> /dev/block/mmcblk0p42
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 bluetooth_b -> /dev/block/mmcblk0p43
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 boot_a -> /dev/block/mmcblk0p12
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 boot_b -> /dev/block/mmcblk0p13
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 cmnlib64_a -> /dev/block/mmcblk0p21
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 cmnlib64_b -> /dev/block/mmcblk0p23
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 cmnlib_a -> /dev/block/mmcblk0p20
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 cmnlib_b -> /dev/block/mmcblk0p22
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 cota -> /dev/block/mmcblk0p67
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 ddr -> /dev/block/mmcblk0p40
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 devcfg_a -> /dev/block/mmcblk0p53
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 devcfg_b -> /dev/block/mmcblk0p54
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 devinfo -> /dev/block/mmcblk0p31
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dip -> /dev/block/mmcblk0p30
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dpo -> /dev/block/mmcblk0p35
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dsp_a -> /dev/block/mmcblk0p26
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dsp_b -> /dev/block/mmcblk0p27
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dtbo_a -> /dev/block/mmcblk0p46
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 dtbo_b -> /dev/block/mmcblk0p47
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 factory -> /dev/block/mmcblk0p65
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 frp -> /dev/block/mmcblk0p57
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 fsc -> /dev/block/mmcblk0p44
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 fsg -> /dev/block/mmcblk0p11
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 hyp_a -> /dev/block/mmcblk0p9
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 hyp_b -> /dev/block/mmcblk0p10
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 keymaster_a -> /dev/block/mmcblk0p18
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 keymaster_b -> /dev/block/mmcblk0p19
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 keystore -> /dev/block/mmcblk0p52
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 limits -> /dev/block/mmcblk0p37
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 logdump -> /dev/block/mmcblk0p58
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 logfs -> /dev/block/mmcblk0p39
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 misc -> /dev/block/mmcblk0p51
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 modem_a -> /dev/block/mmcblk0p24
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 modem_b -> /dev/block/mmcblk0p25
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 modemst1 -> /dev/block/mmcblk0p48
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 modemst2 -> /dev/block/mmcblk0p49
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 msadp -> /dev/block/mmcblk0p33
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 persist -> /dev/block/mmcblk0p50
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 qupfw_a -> /dev/block/mmcblk0p55
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 qupfw_b -> /dev/block/mmcblk0p56
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 rawdump -> /dev/block/mmcblk0p62
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 sec -> /dev/block/mmcblk0p41
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 splash -> /dev/block/mmcblk0p36
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 spunvm -> /dev/block/mmcblk0p34
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 ssd -> /dev/block/mmcblk0p45
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 sti -> /dev/block/mmcblk0p59
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 storsec_a -> /dev/block/mmcblk0p60
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 storsec_b -> /dev/block/mmcblk0p61
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 system_a -> /dev/block/mmcblk0p14
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 system_b -> /dev/block/mmcblk0p15
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 toolsfv -> /dev/block/mmcblk0p38
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 tz_a -> /dev/block/mmcblk0p5
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 tz_b -> /dev/block/mmcblk0p6
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 userdata -> /dev/block/mmcblk0p68
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 vbmeta_a -> /dev/block/mmcblk0p63
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 vbmeta_b -> /dev/block/mmcblk0p64
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 vendor_a -> /dev/block/mmcblk0p16
lrwxrwxrwx 1 root root   21 1970-01-01 16:42 vendor_b -> /dev/block/mmcblk0p17
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 xbl_a -> /dev/block/mmcblk0p1
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 xbl_b -> /dev/block/mmcblk0p2
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 xbl_config_a -> /dev/block/mmcblk0p3
lrwxrwxrwx 1 root root   20 1970-01-01 16:42 xbl_config_b -> /dev/block/mmcblk0p4

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