Please note that this tutorial was designed for Windows. If this tutorial helped you please hit the thanks button. Special thanks to winston.tran1 for providing a copy of his system backup, good luck with further development. For those who Found Phone : G620S-L01 Model : Huawei phone in fastboot mode Serial NR. : R3B4C15312001594 Firmware : G620S-L01V100R001C00B271 Bootloader Lock State: LOCKED Bootloader WidevineKey: WidevineKey_VALID System State: need to verify Boot image need to be verified Recovery image need to be verified Bootloader Version: 001.001.000 Battery state I have Huawei Ascend G620S and I would like to install custom rom. How do I do this? Unlock bootloader / Root Pixel 8 Pro [Husky] / SafetyNet. Latest: c2gemineyes download Huawei Product ID generator down and starting this. Product Model selects Huawei Y300-0000 from her and give in your IMAI Product IMEI of your mate 7 L09 Next, you go on EmotionUI - Unlock Bootloader Scroll down and Click on the hook, and then click Next On the next page you do the following Product type: Smartphone Product model Hold volume down and power button simultaneously until you see a white screen with android logo and "Fastboot & Rescue Mode" here you will also see whether your phone's bootloader is locked or unlocked, so since your prob here is it is locked, we will unlock it, okay? 3.INTACT BRAINS, SO IT WON'T GET OUT WHEN YOU ARE HAVING A HARD TIME Here is the translated guide to unlock bootloader on European model from the link I posted earlier. I’m not responsible of any damage made to your device. Download, unzip and run the Huawei product ID generator then select Huawei Y300-0000 in the product model field. Paste your IMEI in the product IMEI field and it should give you a product ID. Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and Baca Semua Informasi yang Diperlukan dari HUAWEI ponsel Untuk membuka kunci bootloader kita perlu mendapatkan beberapa informasi tentang HUAWEI Ascend G620s Anda seperti: Nama Model Telepon; Produk IMEI atau MEID; Nomor Seri Produk; ID Produk (unik untuk nama telepon kami) hMIfT.