is a budget-friendly smartphone featuring a 6.75-inch 90Hz display and Android 14. Maintaining the latest firmware is essential for security, performance, and fixing issues like "deadboot" or software lags. Official Firmware and Resource Links
If the tool does not respond when you plug in your phone, your USB drivers are likely missing or corrupted. Reinstall the SPD/MTK drivers and restart your computer.
What is the your phone is currently facing?
: Independent developers host tested configurations, such as the 14.0.4-Z2450-LA revision hosted on MediaFire Developer Link . Step-by-Step Flashing Guide for Unisoc devices zte blade a55 firmware link
Firmware is the permanent software programmed into your device's hardware—in simple terms, it's the operating system (Android) and the low-level software that makes the phone work correctly. The ZTE Blade A55 runs on and is powered by a Unisoc SC9863A1 chipset.
To help me find a specific firmware version for your device, tell me:
For more specific, up-to-date information, you may want to visit ZTE's official support website to see if they have released the official package there. is a budget-friendly smartphone featuring a 6
As of 2026, finding official, direct-download, full-package firmware can be tricky. Often, community-backed are more reliable than outdated official support pages. ZTE Blade A55 (Z2450) Stock Firmware Dump (Android 14)
Go to ztedevice.com and navigate to the "Support" or "Downloads" section.
To install the firmware:
Click on the in the top-left corner of the flash tool interface. Browse your computer, select your extracted .pac firmware file, and wait for it to load completely. Step 4: Ready the Flash Configuration
: Flashing will completely erase all internal storage. If your phone still boots, back up contacts, images, and files immediately.