Rooting Guide for Blackview A90 – Step-by-Step

Learn how to root your Blackview A90 with our detailed 2025 guide. Unlock full control with Magisk, TWRP, and DigitalNerds.

Blackview A90

How to Root Blackview A90

This guide provides step-by-step instructions to root your Blackview A90 using Magisk and TWRP. Unlock custom ROMs, rooted apps, and more with DigitalNerds.

1. Prerequisites for Rooting Blackview A90

A Windows, macOS, or Linux PC
A USB cable compatible with your device
At least 60% battery on your Blackview A90
USB Drivers for your device:
- Blackview USB Drivers
ADB and Fastboot tools: Download
Magisk APK: Download
TWRP Recovery for Blackview A90: Download
Firmware for Blackview A90:

2. Enable Developer Options, OEM Unlock, and USB Debugging

Go to Settings > About phone > Build number
Tap Build number 7 times to enable Developer Options
Go to Settings > System > Developer options
Enable OEM unlocking (if available)
Enable USB debugging

3. Unlock the Bootloader on Blackview A90

⚠️ This will wipe your data. Backup everything important.

Power off your Blackview A90
Boot into Fastboot mode:
- Press and hold Volume Down + Power (or brand-specific combination) until the Fastboot screen appears
Connect your device to your PC via USB
Open a terminal/command prompt and navigate to the ADB/Fastboot directory
Run:
```
fastboot devices
```
Confirm your device is detected
Unlock the bootloader:
```
fastboot flashing unlock
```
Follow on-screen prompts (e.g., press Volume Up to confirm)
The device will wipe and reboot
After reboot, re-enable USB debugging and OEM unlocking in Developer Options

4. Download and Extract Firmware for Blackview A90

Download the latest stock firmware for your Blackview A90:
Extract the firmware to obtain the boot.img or init_boot.img file (depending on your device’s firmware)

5. Patch Boot Image with Magisk

Install the Magisk APK on your Blackview A90
Transfer the boot.img or init_boot.img from the extracted firmware to your device
Open the Magisk app:
- Tap Install > Select and Patch a File
- Choose boot.img or init_boot.img
Magisk will generate a patched file (e.g., magisk_patched-xxx.img)
Transfer the patched file to your PC

6. Flash Patched Boot Image

⚠️ Disclaimer: Check your device’s firmware to confirm whether it uses boot.img or init_boot.img. Using the wrong image can brick your device. Refer to XDA Forums or your device’s firmware documentation.

Boot your Blackview A90 into Fastboot mode again (Volume Down + Power)
Connect to your PC

In the terminal/command prompt, run:

fastboot flash boot magisk_patched-xxx.img

or, if your firmware uses init_boot:

fastboot flash init_boot magisk_patched-xxx.img

Reboot the device:
```
fastboot reboot
```

7. Verify Root Access

Open the Magisk app on your Blackview A90
It should show “Installed” and “Rooted” status
Optionally, install a root checker app from the Play Store to confirm

Alternate Option for Rooting Blackview A90

If you’re unsure about manual flashing, try a trusted service where professionals handle rooting your Blackview A90 remotely. Ideal for avoiding risks with tools like Magisk or TWRP.

🌐 Try it here: https://www.oneclickroot.com/root-now/

Coming soon: Download pre-rooted firmware or ready-to-flash root files for Blackview A90 directly from DigitalNerds.

Alternatively, find community-contributed root files for Blackview A90 on:
👉 XDA Forums
👉 Needrom.com

(Note: Verify compatibility with your Blackview A90 firmware version.)

FAQs About Rooting Blackview A90

What is rooting Blackview A90?

Rooting your Blackview A90 grants superuser access, allowing you to install custom ROMs, use rooted apps, and customize your device with tools like Magisk or TWRP.

Is rooting Blackview A90 safe?

Rooting Blackview A90 is safe if you follow our guide carefully. Backup data, use verified tools like Magisk, and avoid unofficial firmware to prevent issues.

Can I unroot Blackview A90?

Yes, you can unroot Blackview A90 by flashing stock firmware via Fastboot. Visit DigitalNerds for an unrooting guide.

Troubleshooting Rooting Issues for Blackview A90

Fix Blackview A90 Bootloop After Rooting

If your Blackview A90 is stuck in a bootloop, boot into TWRP recovery (if installed) and wipe cache/data. Reflash the stock firmware using Fastboot.

Magisk Not Installed on Blackview A90

Ensure you’ve flashed the correct magisk_patched-xxx.img (boot or init_boot). Check compatibility with your Blackview A90 firmware version on XDA Forums.

You’re All Set!

You've successfully rooted your Blackview A90! Enjoy custom ROMs, rooted apps, and full control with DigitalNerds.

⚠️ Rooting your device may void the warranty and can potentially brick your phone if not done correctly. Ensure you use the correct boot.img or init_boot.img for your firmware. Proceed only if you understand the risks.

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View Blackview A90 Specifications