Match the exact model, region, and branch name. Similar model numbers are not the same device.
Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
The ZTE Nubia M2 (NX551J) is a stylish mid-range smartphone known for its dual-camera setup and AMOLED display. Over time, users may experience software-related issues such as bootloops, slow performance, or system instability. Installing the correct stock firmware can restore the device’s smooth performance, fix boot errors, and ensure compatibility with official updates.
Official ZTE Nubia M2 NX551J Firmware Info
| Device | ZTE Nubia M2 (NX551J) |
|---|---|
| Model Variants | India, International, Spain, EU, Indonesia |
| Firmware Type | Stock ROM / Fastboot / OTA |
| Android Version | Android 7.1.1 Nougat (Upgradable) |
| Chipset | Qualcomm Snapdragon 625 (MSM8953) |
Available Firmware Files
| Filename | Region | Size | Download Link |
|---|---|---|---|
| NX551J_Z69_EN_TSXPR17D11L111.zip | India | 1.8 GB | Download from Google Drive |
| NX551J-1.59-FASTBOOT.zip | Global | 1.8 GB | Download from AndroidFileHost |
| NX551J_Z69_EN_TSXPR17D11L110.zip | International | 1.8 GB | Download from Yandex Disk |
| ZTE_Nubia_M2_NX551J_Z69_EN_TSXPR17D11L110_Spain.zip | Spain | 1.8 GB | Download from AndroidFileHost |
| ZTE_Nubia_M2_NX551J_Z69_EN_TSXPR17D11L110_EU.zip | Europe (EU) | 1.8 GB | Download from AndroidFileHost |
| ZTE_Nubia_M2_NX551J_Z69_EN_TSXPR17D11L110_Indonesia.zip | Indonesia | 1.8 GB | Download from AndroidFileHost |
How to Flash ZTE Nubia M2 NX551J Firmware
Before flashing, make sure your battery is charged to at least 60% and back up your data to avoid loss. The ZTE Nubia M2 runs on a Qualcomm Snapdragon processor, meaning you will need to use the Qualcomm Flash Image Loader (QFIL) tool to install the firmware.
Summary of Flashing Steps:
- Install Qualcomm USB drivers on your Windows PC.
- Extract the downloaded firmware ZIP file to a separate folder.
- Launch the QFIL Tool and select the extracted firmware.
- Put your device into EDL (Emergency Download) mode.
- Click on Download to begin flashing and wait until it completes successfully.
For the full flashing tutorial, follow this detailed guide:
How to Install ROM using Qualcomm Flash Image Loader (QFIL)
Why Flash the Stock Firmware?
- Fix software bugs, bootloop, or lagging issues.
- Unbrick your ZTE Nubia M2 after a failed custom ROM or root attempt.
- Restore the phone to its original factory firmware.
- Improve system performance and stability.
- Receive official OTA updates again.