How to run
Open dialer type *#*#7262626#*#* field test mode opens
Phone Codes
Android *#*#7262626#*#* (Field Test Mode)
Opens field test mode for network diagnostics.
Static page generated from CSV/JSON at build time.
Details
Advanced network testing mode showing detailed signal information and network parameters.
Use caseNetwork diagnostics signal strength testing
Works onMost Android devices
CautionAdvanced mode; be careful with settings
Utilities
Copy-paste helpers
Tip
Useful for network troubleshooting and signal analysis
FAQ
Common questions
Is this safe to use?
Yes but avoid changing settings unless you know what you're doing.