Hook

Samsung Diagnostic Codes
Their other posts in the index, biggest breakout first.
Your phone day and night But they haven't dialed the fast codes yet First dial *#128800# But they haven't dialed the fast codes yet First dial *#994 *#9900# Dial *#9900# Then click on dump state Delete dump state log cat Copy kernel log to SD card Copy to SD card Upload mode disabled CP debugging popup UI disabled Silent log: Off This will clean all junk files And make your phone 3x faster If your phone has slow speed Dial *#2663# Dial *#2663# Then refresh WiFi version Click on WiFi version Your phone's internet and WiFi connectivity will become faster If you want to buy a used phone Don't buy a used phone Because of these 2 codes You can find out if you are being cheated First dial *#0*# Dial *#0*# With this you can check if all the features and sensors of the phone are working correctly Then dial this code *#12580*369# *#12580*369# From the call option, you can find out when this phone was activated for the first time These codes work on Samsung phones But don't worry if your phone is from another brand For other phones- *#0*# - Test your phone *#9900 - Delete dumpstate log cat *#12580*369# - Rf cal For VIVO & IQOO - 1. Hardware Test Menu: Dial *#558# or *#5588# Tests for LCD, vibration, touchscreen, camera, sensors, etc. 2. IMEI Number Check: Dial *#06# Displays IMEI of your Vivo device. 3. Software and Version Info: Dial *#0000# or *#1234# Shows software version details. 4. Engineering Mode: Dial *#*#3646633#*#* Accesses engineering mode for network, hardware tuning, and deeper tests. 5. Battery Status and Usage: Dial *#*#4636#*#* FOR OPPO- Dial *#808#: Open test mode menu, allowing you to evaluate different components of your device. FOR Xiaomi Redmi Poco - Dial *#*#64663#*#*: access the hardware diagnostic menu, similar to the engineering mode. Touchscreen Test: *#*#2664#*#* Display Test: *#*#0*#*#* Motorola devices often come with a built-in "Device Help" app that provides hardware testing options. Teens: Download "Codlara" app