Samsung Service Mode


The app should be used with Samsung stock ROM device only.Usually Samsung phone and tablet come with hidden menu or service mode. It is used to set and check RF status of mobile network. In mobile communication industry it is referred as engineering mode, field test display or net monitor.The hidden menu can be activated by entering secret code in phone keypad in most of the phone. However, Samsung disabled the keypad support in some models such as Galaxy S III LTE and Galaxy Note II LTE. Besides, Galaxy Tab do not have phone support and hence it is impossible to activate the service mode directly.This app provides direct call to the service mode. Codes supported: *#0011#, *#2263#, *#*#197328640#*#*, *#4636#*#*Tested with Galaxy S III LTE GT-I9305, Galaxy Tab 8.9 LTE GT-P7320, Galaxy S4 GT-I9505Crash issue:Some users reported crash when using the app. It is confirmed that:1. If your phone is using custom ROM like CyanogenMod, the requested service mode activity shall be missing and the app will not function properly.2. Dual SIM phone, e.g. Galaxy Note 2 N7102, is not supported by the app.Keywords: Samsung Service Mode, Hidden Menu, Engineering Mode, Netmon, LTE, WCDMA, GSM, RSCP, RSRP, EcNo

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