adb/fastboot for Qualcomm msm8909 --- (edl/ 9008 port) etc_gobi wireless modem (qdl mode)-优快云博客

本文链接：https://blog.youkuaiyun.com/hushui/article/details/97391507

本文详细介绍如何使用ADB和Fastboot工具进入紧急下载模式，解锁Android设备的Bootloader，包括命令行操作步骤及注意事项，帮助用户掌握设备底层操作。

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1. Emergency download mode /9008 comm port

adb reboot edl

fastboot oem edl
or
$ fastboot reboot emergency

lsusb =>
ID 05c6:9008 Qualcomm, Inc. Gobi Wireless Modem (QDL mode)

2. oem

adb reboot bootloader

fastboot.exe oem program-model-24

fastboot erase userdata

fastboot -w

4. lock/unlock

C:\Temp>fastboot oem lock
OKAY [ 0.047s]
Finished. Total time: 0.047s

C:\Temp>fastboot -w
mke2fs 1.44.3 (10-July-2018)
Creating filesystem with 1359867 4k blocks and 340032 inodes
Filesystem UUID: f9ed9b40-f961-11e9-95e8-69aca3400eb4
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736

Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done

mke2fs 1.44.3 (10-July-2018)
Creating filesystem with 65536 4k blocks and 65536 inodes
Filesystem UUID: fa32bb4e-f961-11e9-b28d-8db29ef4b572
Superblock backups stored on blocks:
32768

Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done

Erasing 'userdata' FAILED (remote: 'device is locked. Cannot erase')
Finished. Total time: 0.922s

##############
Android/Setting/Developer options ---> Allow the bootloader ti be unlocked
#######

C:\Temp>fastboot oem unlock-go
OKAY [ 0.031s]
Finished. Total time: 0.031s