How to Unlock FRP Huawei Y9 Prime 2019 STK-L21
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- You need a USB OTG/SD CARD with 8 GB minimum space.
- Now download the Downgrade firmware for your Huawei Y9 2019 STK-L21
- Unzip the downloaded firmware zip file & copy the dload folder in USB OTG/SD CARD
- Turn OFF your Huawei Y9 Prime 2019 STK-L21 device
- Restart your Huawei Y9 Prime 2019 STK-L21 device to Update Mode:
- Press & hold the Volume up button then plug in your device the USB cable.
- Once the Update Mode Appears connect the USB OTG/SD CARD.
- Update Mode then click on Memory card/OTG update mode
- Your phone will detect the UPDATING package and will start the update process automatically.
- The first boot may take up to 5 minutes or more so be patient.
- Power OFF your Huawei Y9 Prime 2019 STK-L21.
- Make Hard reset your Huawei Huawei Y9 Prime 2019 STK-L21:
- Turn OFF your Huawei Huawei Y9 Prime 2019 STK-L21.
- Press & hold the Volume up button then plug in your device the USB cable.
- Choose Clear Data using Volume buttons and tap on the Power button to confirm
- Choose factory reset and Type YES then factory reset.
- Wait until the hard reset process completed
- Huawei Y9 Prime 2019 STK-L21 Downgrad
- Password : https://dmrepairtech.com
- DOWNLOAD
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