ZTE Blade A53 Pro Secret Codes & Engineering Test Menu
These are the official service (secret) codes for the ZTE Blade A53 Pro, taken from the teardown reference. Technicians use them to check the IMEI and run the built-in hardware test. Type each code in the phone dialer.
The codes
| Code | What it does |
|---|---|
| *#06# | Show the IMEI — compare it with the label, box and certificate. |
| *#*#983#*#* | Open the engineering dialer (a new keypad). |
| *983*673636# | Enable engineering instruction mode (enter this in the engineering dialer first). |
| *983*70# | Run the automatic hardware function test (touch, speaker, vibration, keys and more). |
| *#*#83788#*#* | Open the camera calibration menu (used after a camera or screen repair). |
💡 Open *#*#983#*#* first to get the engineering dialer, then run *983*673636# to unlock engineering mode before *983*70#.
Check the software version
To confirm the installed firmware build, open Settings > About phone > Build number. Match it against the latest ZTE Blade A53 Pro firmware if you are diagnosing software faults or planning a reflash.
⬇️ Need the software? Download official ZTE Blade A53 Pro stock firmware free on ROM Palace — direct links, no waiting queue.
Frequently asked questions
How do I check the IMEI on a ZTE Blade A53 Pro?
Dial *#06#. The IMEI on screen should match the one printed on the SIM-tray label, the box and the certificate.
How do I run the hardware test on a ZTE Blade A53 Pro?
Dial *#*#983#*#* to open the engineering keypad, enter *983*673636# to enable engineering mode, then dial *983*70# to start the automatic function test.
More ZTE Blade A53 Pro guides
- ZTE Blade A53 Pro Disassembly Guide: Full Teardown Step by Step
- ZTE Blade A53 Pro Battery Replacement: Safe Step-by-Step Guide
- ZTE Blade A53 Pro Screen Replacement: Display Module Guide
- ZTE Blade A53 Pro Common Problems & Troubleshooting (Won’t Turn On, Charging, Signal)
- How to Flash ZTE Blade A53 Pro Stock Firmware (SPD Upgrade Tool) — Fix Bootloop, Unbrick & FRP