"CIT mode," Jax explained, tapping on 'Speaker.' A high-pitched tone blared from the Poco’s dual speakers, causing the couple at the next table to glare. "This is the factory diagnostic deck. You can test the gyroscope, the proximity sensor, even the vibration motor. If your phone claims it's perfect, you run this to prove it wrong."

Provides detailed data on your battery health, charging status, and cycle counts. *#*#6484#*#* (Hardware Diagnostics/CIT): This is the "Engineering Mode" or

Instantly displays your device's unique identifier (IMEI) and serial number, which is crucial for tracking or warranty claims. *#*#4636#*#* (Testing Menu):

Opens the Firebase Cloud Messaging diagnostics menu. This is highly useful if you are troubleshooting why your push notifications (like WhatsApp or Gmail alerts) are delayed. 5. Hardware Component Testing (CIT Menu)

Displays the exact number of charge cycles your phone has completed. MF_05: Displays the current actual battery capacity. 5. Calendar Info & Event Logging Code: *#*#225#*#*

While exploring hidden menus is safe, . Changing parameters inside the *#*#4636#*#* network menu (such as disabling radio bands) can temporarily break your cellular connection, requiring a network settings reset to fix.

If your POCO X6 Pro keeps dropping down to 4G LTE in areas with weak 5G coverage, you can use this menu to lock the device onto 5G networks exclusively. (Caution: Locking your phone to "NR Only" may prevent you from making or receiving voice calls if your carrier does not support VoLTE/VoNR seamlessly). 3. Display IMEI Number The Code: *#06#

If you frequently use *#*#4636#*#* , you can create a shortcut: