iPlay 50 mini
iPlay 50S
iPlay 50
Smile X
GTBook 15
GTBook 13
iWork GT
iWork 20 pro
Expand X
F40
My Profile
Settings
Login
Global - Engilsh
中国 - 简体中文
日本 - 日本語
Россия - русский
Home Page › Forums › Technical Discussion › How to Unlock ALLDOCUBE T12 for flashing with fastboot on Linux?
Tagged: #ALLDOCUBE #FASTBOOT
Hello. I am tryed to flash my tablet PC using this commands with fastboot and i have got this dump
[gri@gribrook fplaye]$ cd T12_V1.0_20170222/ [gri@gribrook T12_V1.0_20170222]$ ls boot.img Checksum.ini FlashToolLibEx.dll lk.bin OTA secro.img cache.img DB FlashToolLib.v1.dll logo.bin preloader_joyasz8321_tb_m.bin system.img CheckSum_Gen.exe Flashtoollib.dll items.ini MT6580_Android_scatter.txt recovery.img userdata.img [gri@gribrook T12_V1.0_20170222]$ sudo fastboot devices -l 0123456789ABCDEF fastboot usb:2-3 [gri@gribrook T12_V1.0_20170222]$ sudo fastboot getvar all (bootloader) max-download-size: 0x8000000 (bootloader) partition-size:userdata: 32000000 (bootloader) partition-type:userdata: ext4 (bootloader) partition-size:cache: 10000000 (bootloader) partition-type:cache: ext4 (bootloader) partition-size:system: 80000000 (bootloader) partition-type:system: ext4 (bootloader) partition-size:metadata: 2660000 (bootloader) partition-type:metadata: raw data (bootloader) partition-size:nvdata: 2000000 (bootloader) partition-type:nvdata: ext4 (bootloader) partition-size:frp: 100000 (bootloader) partition-type:frp: raw data (bootloader) partition-size:expdb: a00000 (bootloader) partition-type:expdb: raw data (bootloader) partition-size:logo: 800000 (bootloader) partition-type:logo: raw data (bootloader) partition-size:para: 80000 (bootloader) partition-type:para: raw data (bootloader) partition-size:keystore: 800000 (bootloader) partition-type:keystore: raw data (bootloader) partition-size:secro: 600000 (bootloader) partition-type:secro: raw data (bootloader) partition-size:oemkeystore: 200000 (bootloader) partition-type:oemkeystore: raw data (bootloader) partition-size:recovery: 1000000 (bootloader) partition-type:recovery: raw data (bootloader) partition-size:boot: 1000000 (bootloader) partition-type:boot: raw data (bootloader) partition-size:lk: 60000 (bootloader) partition-type:lk: raw data (bootloader) partition-size:seccfg: 40000 (bootloader) partition-type:seccfg: raw data (bootloader) partition-size:protect2: a00000 (bootloader) partition-type:protect2: ext4 (bootloader) partition-size:protect1: a00000 (bootloader) partition-type:protect1: ext4 (bootloader) partition-size:nvram: 500000 (bootloader) partition-type:nvram: raw data (bootloader) partition-size:proinfo: 300000 (bootloader) partition-type:proinfo: raw data (bootloader) partition-size:preloader: 40000 (bootloader) partition-type:preloader: raw data (bootloader) off-mode-charge: 1 (bootloader) warranty: yes (bootloader) unlocked: no (bootloader) secure: yes (bootloader) kernel: lk (bootloader) product: JOYASZ8321_TB_M (bootloader) version-preloader: 0.1.00 (bootloader) version: 0.5 all: Done!! Finished. Total time: 0.077s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flash boot boot.img target reported max download size of 134217728 bytes Sending ‘boot’ (7906 KB)… OKAY [ 0.373s] Writing ‘boot’… FAILED (remote: download for partition ‘boot’ is not allowed ) Finished. Total time: 0.390s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock
OKAY [ 15.504s] Finished. Total time: 15.512s [gri@gribrook T12_V1.0_20170222]$ [gri@gribrook T12_V1.0_20170222]$ sudo fastboot getvar unlocked unlocked: no Finished. Total time: 0.009s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_critical OKAY [ 7.630s] Finished. Total time: 7.635s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot getvar unlocked unlocked: no Finished. Total time: 0.010s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing get_unlock_ability (bootloader) unlock_ability = 0 OKAY [ 0.010s] Finished. Total time: 0.017s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_critical (bootloader) Start unlock flow
FAILED (remote: Unlock operation is not allowed ) Finished. Total time: 7.331s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_critical OKAY [ 4.843s] Finished. Total time: 4.851s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot getvar unlocked unlocked: no Finished. Total time: 0.011s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_bootloader_nonce fastboot: usage: unknown ‘flashing’ command unlock_bootloader_nonce [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing get_unlock_bootloader_nonce FAILED (remote: unknown command) Finished. Total time: 0.010s [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_bootloader fastboot: usage: unknown ‘flashing’ command unlock_bootloader [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_bootloader 12 error: could not load ‘unlock_bootloader’: No such file or directory [gri@gribrook T12_V1.0_20170222]$ sudo fastboot flashing unlock_bootloader fastboot: usage: unknown ‘flashing’ command unlock_bootloader [gri@gribrook T12_V1.0_20170222]$ sudo fastboot getvar unlocked unlocked: no Finished. Total time: 0.011s
What i am doing wrong. I pressed power+volumeup and catch a menu
[Recovery Mode]
[Fastboot Mode] <==
[Normal Boot]
When i tryed to do (sudo fastboot flashing unlock) i`ve got
Please help me repairing this gadjet.
the picture metion you press volume up button to confirm unlocking.
by the way ,there is a linux version mtk spflashtool you can run on linux os to flash the firmware:
https://androidmtk.com/smart-phone-flash-tool
Please notice: This form only provides basic technical replies or business consultation. If you have specific after-sales service needs from e-commerce platforms (such as Amazon, AliExpress, lazada, etc.), please be sure to contact the platform you purchased from.
Please choose your purpose: Technical SupportCooperation Inquiries
Your Name:
Your Email:
Product Model (if necessary):
Subject:
Message:
For your chance to win our tablet, we would like to invite you to subscribe and become our member. As a member you will receive the latest news updates, product announcements, promotions and giveaways from ALLDOCUBE. Subscribe now so that you dont miss out!