Finally we are able to make a list of secret codes of Samsung galaxy s4. Keep in mind we have tried it on Galaxy S4 Shv-e300s the Korean model . You can try it on your device but totally on your own list. We don't recommend to use this code on any other model of Galaxy S 4
- # 0 * # (General Test Mode)
- # 0011 # (Service Mode)
- # 0,228 # (Battery Status)
- # 0283 # (Audio Loopback Test)
- # 1234 # (AP / CP / CSC version)
- # 22558463 # (Reset Total Call Time)
- # 2663 # (TSP / Touch key / SensorHub Firmware version)
- # 34971539 # (Camera Firmware Standard)
- # 7353 # (Quick test menu)
- # 7412365 # ( Camera Firmware Standard, phone / CAM FW Ver Check)
- # 9900 # (System Dump) 319712358 (SKT Hidden Menu, password = 996 412)
How can forget hidden information SKT menu . It is just for the information
Setting network
1. Network mode
- Automatic / WCDMA 1900/2100 / WCDMA ALL /GSM 900/1800/1900 / ALL GSM / LTE B1 / B3 / B3 Preferred / B5 /B5 Preferred (default) / B7 / B17 / LTE ALL
2. Service domain
- Combine (default) PS ONLY ONLY CS
3. Channel Setting
- Full (default) / SKT Pref / SKT1 / SKT2 / SKT3 / 4 SKT / SKT 5/6 SKT /KTF Pref / KTF1 / KTF2 / 3 KTF / KTF 4 / 10800 Channel
4. Security mode
- INTEGRITY ON (default) setting
5. HSPA
- R4 Only / HSDPA / HSUPA / HSPA_REL7 / HSPA_REL8 /HAPA_REL9 (default) VoLTE
6. Setting
- IMS VoLTE Settings
- IMS VoLTE SIP Req
- IMA VoLTE Error Table
- VoLTE IMS Roaming Setting
- IMS SKT rtest Setting
7. SMS Setting
- SMSC address setting
- SMS Pref Mode Waiting Sound
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