SafeRooting
BLU G91s root support — Magisk root and bootloader unlock
Blu

BLU G91s

Released: 2021, December 07Available. Released 2021, December 07

ROOT AVAILABLE

This device is fully compatible with our remote root service. Includes Bootloader Unlock, Magisk, and custom setup.

4.6 Rating

General

Brand
BLU
Model
BLU G91s
Released
2021, December 07
Status
Available. Released 2021, December 07
Price
About 200 EUR
OS
Android 11
Dimensions
168 x 76.5 x 8.9 mm (6.61 x 3.01 x 0.35 in)
Weight
202 g (7.13 oz)
SIM
Nano-SIM + Nano-SIM

Display

Type
IPS LCD
Size
6.8 inches, 109.8 cm, 2, (~85.4% screen-to-body ratio)
Resolution
1080 x 2460 pixels (~395 ppi density)

Performance

Chipset
Mediatek MT6769V/CU Helio G80 (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G52 MC2
Internal
128GB 4GB RAM
Card slot
microSDXC

Camera

Single
13 MP, f/2.0
Quad
48 MP, f/1.8, (wide), 1/2.0, 0.8µm, PDAF, 5 MP, f/2.2, (ultrawide), 2 MP, f/2.4, (depth)
Features
LED flash, HDR, panorama
Video
1080p@30fps

Battery

Charging
18W wired

Network

Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 12, 17, 28
Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

Connectivity

WLAN
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
Positioning
GPS
NFC
No
Radio
FM radio
USB
USB Type-C 2.0, OTG
3.5mm jack
Yes

Sensors

Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Other

Colors
Blue, Green, Gray, Cyan
Announced
2021, December 07
Loudspeaker
Yes

BLU G91s Overview

The BLU G91s is an Android device from Blu, released in 2021. It combines the Mediatek MT6769V/CU Helio G80 (12 nm) and a 6.8-inch display, running Android 11. This page tracks its full specifications, root status, and the bootloader and recovery notes that apply to it.

Root the BLU G91s

The BLU G91s is a 2021 Android device from Blu. It runs the Mediatek MT6769V/CU Helio G80 (12 nm), a MediaTek platform, flashed via SP Flash Tool on many models with BROM as the deep-recovery path. Shipped software: Android 11. For this model the realistic path is: a standard fastboot bootloader unlock, followed by Magisk via patched boot image (fastboot). Typical hands-on time is 1–3 hours.

Difficulty

Moderate — brand-specific steps involved

Typical time

1–3 hours

Method

Magisk via patched boot image (fastboot)

Bootloader unlock on Blu

Unlock procedure follows the generic Android flow: enable OEM Unlocking in Developer Options, then unlock via fastboot. Exact availability depends on the model and region — confirm before flashing.

Platform notes

MediaTek platforms flash through SP Flash Tool rather than plain fastboot on many models, and expose BROM mode as a deep-recovery path. Correct scatter/firmware matching matters more here than on Snapdragon devices.

Before you start

  • Bootloader unlocking factory-resets the device on almost all models — back up everything first.

FAQ

Can I root the BLU G91s?

Yes. After enabling OEM Unlocking and unlocking the bootloader, root is Magisk via patched boot image (fastboot). The unlock notes on this page describe the exact Blu procedure.

Does the BLU G91s support custom recovery (TWRP)?

That depends on community support for this exact model — verify a build exists for its codename before flashing anything. TWRP is not required for root: Magisk installs by flashing a patched boot image via fastboot.

Will root the BLU G91s void my warranty?

Blu will generally treat a rooted BLU G91s as outside warranty while it is modified. Restoring full stock firmware before a service visit usually restores normal treatment in practice, and consumer law in some regions (such as the EU) may still cover defects unrelated to root.

What Android version does the BLU G91s run?

It runs Android 11. The specifications table on this page lists the full software details.