[ROM][STOCK][FASTBOOT][OP6T] Stock Fastboot ROMs for OnePlus 6T

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Senior Member
  • Mar 23, 2018
    Hi, using LOS18.1 on fajita, I suddenly lost fingerprint option (no longer available in settings) -- I wonder if it's due to a broken persist.img
    Question: if I only flash persist.img, will it brick the device? LOS provides a similar process to upgrade firmware without dataloss, but it doesn't include persist.img


    Senior Member
    Jan 13, 2015
    OnePlus 7 Pro
    Hi, using LOS18.1 on fajita, I suddenly lost fingerprint option (no longer available in settings) -- I wonder if it's due to a broken persist.img
    Question: if I only flash persist.img, will it brick the device? LOS provides a similar process to upgrade firmware without dataloss, but it doesn't include persist.img
    You will not brick your device, persist is only one that I know.


    Jan 1, 2018
    Windsor, Ontario
    I've tried various custom ROMs on my OP6T, the last one being Lineage OS 18.1. I've been experiencing trouble with the system lagging and decided to try going back to Oxygen OS. I flashed 10.3.9 using TWRP and then used Oxygen Updater to move up to 10.3.11. I'm still experiencing this lagginess, however. I'm wondering if I should flash Oxygen using a Fastboot ROM. Does anyone have experience with this curing such a problem? If so, which .bat file would you recommend for this purpose?

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      Things are changing with the advent of project treble and seamless updates. OnePlus will no longer release ROMs flashable via recovery (either stock or twrp) because is no more needed. The updates will be done on the slot not used for example if you are using slot a the update will be installed on slot b and the slot b will be set as default. If you brick and you are in bootloop how you can restore the rom? You can't with Stock ROM you have, because the zip can be only installed via Update Engine, so what can you do? Flash a stock rom via fastboot. I have extracted all images from the stock zip and i have made a new zip with the Fastboot ROM with a flash-all.bat included. This will work only if your bootloader is unlocked. This will erase all your data and will wipe your internal storage.

      This version is only for not branded devices
      Download the zip;
      Unpack the zip in a folder;
      Reboot the OnePlus 6T in fastboot mode (Power and volume-);
      Connect the OnePlus 6T to PC;
      Run flash-all.bat flasher you need;
      Wait until the process end;
      The phone will automatically reboot.

      flash-all-partitions-fastboot.bat : this .bat will flash all possible partitions through fastboot (Except persist) , there are some criticals partitions that can't be flashed through fastboot;
      flash-only-persist.bat : this .bat will flash only persist partition in fastboot mode (This is good for people that have problems with sensor);
      flash-all-partitions-recovery-criticals.bat : this .bat will boot the twrp and will flash criticals partitions, use this carefully;
      flash-system-boot-vendor.bat : this .bat is the same of older flash-all.bat and so it will flash only vendor, system and boot;
      flash-all-partitions.bat : this .bat will run flash-all-partitions-fastboot.bat , then flash-only-persist.bat and then flash-all-partitions-recovery-criticals.bat .

      Now usually the one needed is only the first "flash-all-partitions-fastboot.bat" but if you are badly bricked i recommend to use flash-all-partitions.bat .


      All roms on AFH: https://www.androidfilehost.com/?w=files&flid=284914
      All roms on Sourceforge: https://sourceforge.net/projects/fastbootroms/files/OnePlus 6T

      GUIDE: https://forum.xda-developers.com/on...-t-mobile-oneplus-6t-to-t3865966/post78131430
      T-Mobile OnePlus 6T Internationa ROM: https://www.androidfilehost.com/?fid=11410963190603845445

      MANUAL FLASH: Windows - OSX - Linux

      If you want to manual flash these roms these are the commands (you need to extract images.zip before proceed)

      Fastboot Partitions:
      fastboot flash aop_a aop.img
      fastboot flash aop_b aop.img
      fastboot flash bluetooth_a bluetooth.img
      fastboot flash bluetooth_b bluetooth.img
      fastboot flash boot_a boot.img
      fastboot flash boot_b boot.img
      fastboot flash dsp_a dsp.img
      fastboot flash dsp_b dsp.img
      fastboot flash dtbo_a dtbo.img
      fastboot flash dtbo_b dtbo.img
      fastboot flash fw_4j1ed_a fw_4j1ed.img
      fastboot flash fw_4j1ed_b fw_4j1ed.img
      fastboot flash fw_4u1ea_a fw_4u1ea.img
      fastboot flash fw_4u1ea_b fw_4u1ea.img
      fastboot flash modem_a modem.img
      fastboot flash modem_b modem.img
      fastboot flash oem_stanvbk oem_stanvbk.img
      fastboot flash qupfw_a qupfw.img
      fastboot flash qupfw_b qupfw.img
      fastboot flash storsec_a storsec.img
      fastboot flash storsec_b storsec.img
      fastboot flash system_a system.img
      fastboot flash system_b system.img
      fastboot flash vbmeta_a vbmeta.img
      fastboot flash vbmeta_b vbmeta.img
      fastboot flash vendor_a vendor.img
      fastboot flash vendor_b vendor.img
      fastboot flash LOGO_a LOGO.img
      fastboot flash LOGO_b LOGO.img
      If you need also persist partition, this is the command:
      fastboot flash persist persist.img

      Criticals Partitions, for these you need to boot the TWRP:
      fastboot boot TWRP.img
      When you are in TWRP you need to run these commands to push and flash all criticals partitions:
      adb push abl.img /sdcard/abl.img
      adb shell dd if=/sdcard/abl.img of=/dev/block/bootdevice/by-name/abl_a
      adb shell dd if=/sdcard/abl.img of=/dev/block/bootdevice/by-name/abl_b
      adb push cmnlib.img /sdcard/cmnlib.img
      adb shell dd if=/sdcard/cmnlib.img of=/dev/block/bootdevice/by-name/cmnlib_a
      adb shell dd if=/sdcard/cmnlib.img of=/dev/block/bootdevice/by-name/cmnlib_b
      adb push cmnlib64.img /sdcard/cmnlib64.img
      adb shell dd if=/sdcard/cmnlib64.img of=/dev/block/bootdevice/by-name/cmnlib64_a
      adb shell dd if=/sdcard/cmnlib64.img of=/dev/block/bootdevice/by-name/cmnlib64_b
      adb push devcfg.img /sdcard/devcfg.img
      adb shell dd if=/sdcard/devcfg.img of=/dev/block/bootdevice/by-name/devcfg_a
      adb shell dd if=/sdcard/devcfg.img of=/dev/block/bootdevice/by-name/devcfg_b
      adb push hyp.img /sdcard/hyp.img
      adb shell dd if=/sdcard/hyp.img of=/dev/block/bootdevice/by-name/hyp_a
      adb shell dd if=/sdcard/hyp.img of=/dev/block/bootdevice/by-name/hyp_b
      adb push keymaster.img /sdcard/keymaster.img
      adb shell dd if=/sdcard/keymaster.img of=/dev/block/bootdevice/by-name/keymaster_a
      adb shell dd if=/sdcard/keymaster.img of=/dev/block/bootdevice/by-name/keymaster_b
      adb push xbl.img /sdcard/xbl.img
      adb shell dd if=/sdcard/xbl.img of=/dev/block/bootdevice/by-name/xbl_a
      adb shell dd if=/sdcard/xbl.img of=/dev/block/bootdevice/by-name/xbl_b
      adb push xbl_config.img /sdcard/xbl_config.img
      adb shell dd if=/sdcard/xbl_config.img of=/dev/block/bootdevice/by-name/xbl_config_a
      adb shell dd if=/sdcard/xbl_config.img of=/dev/block/bootdevice/by-name/xbl_config_b

      "Invalid sparce file format at header magic" is not an error, you need to wait a bit when you see that string, just wait.

      These ROMs can't be used to update or downgrade your phone but just to restore your phone, so don't use them to come back to oreo or to update from oreo to pie.

      If you want to rebrand your phone from HydrogenOS to OxygenOS you can follow this guide: Rebrand Guide

      If you want you can use also my tool to flash Factory Images, unlock bootloader, flash twrp or to understand if the device is recognized: https://toolaio.tk/

      Thanks to @SaiBork for first time tested

      If you got some problems like write error or no partition, check this: https://forum.xda-developers.com/showpost.php?p=76658555&postcount=34

      Thanks to @Dark Nightmare for T-Mobile Rom Version


      If you want to support this and others my projects please consider making a donation, thanks.

      If you are unable to use pools or moneybox, you can also make a normal donation, all private donations will be added in the moneybox:

      I got your reply and followed it... It WORKED!!! Many thanks ZeroKool76!
      No worries, brother. Been there several times. But the real credit goes to the OP. Without his work, none of this would be possible [emoji869]
      Hi, OB7 just released today.I hope to add, thank you.

      Sure, it is in upload just now, thanks to notify me this
      Hello All,

      I'm figuring with the advent and distribution/receipt of OP7Pros that some of the focus has shifted and production of these are facing slowdowns, is there any way I can help to make fastboot ROMs and upload them here for the OP6T? I know I still depend on them, and can bet money that many of us here at these XDA threads do.

      Warm Regards

      Recently i made a new app to make the fastboot rom directly from the official rom, so actually the process is 90% automatized. When a new rom comes i still need of 1-2 days to download, make and ipload the fastboot rom. These depends from when the link of full rom will be released and if i'm at home or not.
      Can u add OxygenOs fastboot version 9.0.13 ?

      Uploading it now, i think is need 30 minutes more or less
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