Good morning, I also have Huawei Ascend G620S-L01-V100R001C00B242SP02. When I wanted to start it some time ago after quite a long time of inactivity, the phone did not want to charge and instead the screen showed a silver battery with a red lightning, plus the diode was flashing red (correct charging would be similar, although the diode should IN ORDER TO GET THE BOOTLOADER UNLOCK CODE DO THE FOLLOWING: 1. SEND AN MAIL TO mobile@mail01.huawei.com WITH THE SUBJECT : Official Huawei Bootloader Unlock MESSAGE BODY: IMEI: AND S/N 2. ONCE YOU RECEIVED THE CODE START LATEST PACK5 SW VERSION 3. GO IMEI UNLOCK / DIAG TOOLS TAB 4.

Connect your android to your PC with USB cable. Now go to ADB & fastboot folder and Open the command window there (Right click on the empty space inside the folder then select “Open command window here” or “Open PowerShell Window Here” option to launch a command window. Now reboot into the bootloader by issuing the following commands.

Edit: sorry - I posted my comments below before reviewing the thread and seeing your earlier post where you say that you DID restore the original bootloader and that fastboot oem get-bootinfo DOES show that the bootloader is locked (and thus the original).
Read SIM Unlock Codes; Read Bootloader Codes; Direct Unlock; IMEI Repair; Repair SN; Repair Wi-Fi; Repair Bluetooth; Repair Empty Board; Repair MEID; Erase FRP; Reset Huawei ID; Change Single/Dual SIM; Huawei Module Activation - Supported models *: Ascend Ascend G620A2 2015; Ascend D2 D20082 2013; Ascend D2 D22010 2013; Ascend D2 D25000 2013

Unlock Bootloader Formを開き、上記のチュートリアルで取得したHUAWEI Ascend G620sのデータをすべての詳細にファイルします。 電子メールで送信されるHuaweiからのブートローダーコードのロック解除（これには最大7日かかる場合があります）を待ちます。

B9mULOW.
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    • huawei ascend g620s unlock bootloader