| Specification Samsung Galaxy M42 |
| Bypass FRP Samsung Galaxy M42 |
| Root Samsung Galaxy M42 |
| Unlock Samsung Galaxy M42 |
| Firmware Samsung Galaxy M42 |
| Developer Mode Samsung Galaxy M42 |
| Bypass Lock Screen Samsung Galaxy M42 |
| Samsung Galaxy M42 Factory Reset |
| Screenshot Samsung Galaxy M42 |
|
OS: Android v10 (Q) CPU: Qualcomm Snapdragon 730 RAM: 6 GB Camera: 64 MP 8 MP 2 MP Battery: 4500 mAh |
| *#06# | - IMEI (International Mobile Equipment Identity) number |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Diagnostic and general settings mode (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - Events in your calendar |
| *#*#426#*#* | - Google Play services's debug informations |
| *#0011# | - ServiceMode |
| *#0808# | - Change USB Settings |
| *#9900# | - Dump mode |
| *#9090# | - Diagnostic configuration |
| *#0*# | - General Test Mode |
| *#2663# | - TSP / TSK firmware update |
| *#12580*369# | - Software and hardware info |
| *#0283# | - Audio Loopback Control |
| #7465625*638*# | - Insert Network Lock Key Code |
| *#*#759#*#* | - RLZ debug interface |
| *#*#36245#*#* | - Email debug information |
| *#*#8255#*#* | - Access Google Talk Service Monitor |
| *#*#64663#*#* | - Check Hardware (Version, Sensors, Battery, Radio, Speakers) |
| *#*#7780#*#* | - This code can be used for a factory data reset. |
| *2767*3855# | - It reinstalls the phones firmware |
| *#*#232338#*#* | - Displays Wi-Fi Mac-address |
| *#*#34971539#*#* or *#34971539# | - Show phone camera information |
| *#*#1234#*#* | - PDA and Phone firmware info |
| *#*#7594#*#* | - Changing the power button behavior-Enables direct poweroff once the code enabled |
| *#*#1472365#*#* | - For a quick GPS test |
| *#*#273283*255*663282*#*#* | - For a quick backup to all your media files |
| *#*#1575#*#* | - Advanced GPS test |
| *#*#197328640#*#* | - Enabling test mode for service activity |
| *#*#0283#*#* | - Packet Loopback test |
| *#0228# | - battery calibration |
| *#*#232339#*#* OR *#*#526#*#* | - Wireless Lan Tests |
| *#*#0*#*#* | - LCD display test |
| *#*#3264#*#* | - Display Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Proximity sensor test |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Test the Bluetooth |
| *#*#232337#*# | - Displays Bluetooth address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Vibration and Backlight test |
| *#*#2663#*#* | - Displays touch-screen version |
| *#*#44336#*#* | - Displays Build time and change list number |
| *#*#4986*2650468#*#* | - PDA, Phone, Hardware, RF Call Date firmware info |
| *#*#8350#*#* | - Disables voice dialing logging mode |
| *#*#2222#*#* | - FTA Hardware verion |
| Change code | |
| **03*old code*new code*new code# | |
| - Change code for call barring | |
| **04*old PIN code*new PIN *new PIN# | |
| - Change SIM Card PIN code | |
| **042*old PIN2 code*new PIN2*new PIN2# | |
| - Change SIM Card PIN2 code | |
| **05*PUK code*new PUK*new PUK# | |
| - Change SIM Card PUK code | |
| **052*PUK2 code*new PUK2*new PUK2# | |
| - Change SIM Card PUK2 code | |
| Call waiting | |
| *43# | - Ñall waiting Activate |
| #43# | - Ñall waiting Deactivate |
| *#43# | - Check status of call waiting |
| Call Forwarding | |
| ##002# | - Disable All Call Forwarding |
| **004*PhoneNumber# | - Set all configured call diversions to PhoneNumber |
| ##004# | - Unregister all configured call diversions |
| GSM codes for Call Forward All | |
| *21*PhoneNumber# | - Register and activate divert all calls to PhoneNumber |
| ##21# | - Unregister divert all calls |
| *21# | - Activate divert all calls |
| #21# | - Deactivate divert all calls |
| *#21# | - Check status of divert all calls |
| Diversion in case of "no answer" | |
| **61*PhoneNumber# | - Register and activate divert on no answer to PhoneNumber |
| ##61# | - Unregister divert on no answer |
| *61# | - Divert on no answer calls Activate |
| #61# | - Divert on no answer calls Deactivate |
| *#61# | - Check status of divert on no answer |
| Forwarding in case of "not available" | |
| **62*PhoneNumber# | - Register and activate divert on not reachable |
| ##62# | - Unregister divert on not reachable |
| *62# | - Activate divert on not reachable |
| #62# | - Deactivate divert on not reachable |
| *#62# | - Check status of divert on not reachable |
| Diversion in case of "busy" | |
| **67*PhoneNumber# | - Register and activate divert on busy |
| ##67# | - Unregister divert on busy |
| *67# | - Activate divert on busy |
| #67# | - Deactivate divert on busy |
| *#67# | - Check status of divert on busy all call types |
| *#67*11# | - Check status of divert on busy voice calls |
| *#67*13# | - Check status of divert on busy fax calls |
| *#67*25# | - Check status of divert on busy data calls |
| Codes for barring all outgoing calls | |
| **33*code# | - Activate barr all outgoing calls (for code see "Safety" above) |
| #33*code# | - Deactivate barr all outgoing calls |
| *#33# | - Check status of barr all outgoing calls |
| Barr all calls | |
| **330*code# | - Barr all calls Enable |
| #330*code# | - Barr all calls Disable |
| *#330*code# | - Check status of barr all calls |
| Blocking all outgoing international calls | |
| **331*code# | - Barr all outgoing international calls is turned ON |
| #331*code# | - Barr all outgoing international calls is turned OFF |
| *#331*code# | - Check status of barr all outgoing international calls |
| Activate or deactivate barring all outgoing international calls except home country | |
| **332*code# | - Activate barr all outgoing international calls except home country |
| #332*code# | - Deactivate Barr all outgoing international calls except home country |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| Barr all outgoing calls | |
| **333*code# | - Barr all outgoing calls is turned ON |
| #333*code# | - Barr all outgoing calls is turned OFF |
| *#333# | - Check status of barr all outgoing calls |
| Codes for barring all incoming calls | |
| **35*code# | - Barr all incoming calls Enable |
| #35*code# | - Barr all incoming calls Disable |
| *#35# | - Check status of barr all incoming calls |
| Barr all incoming calls when roaming | |
| **351*code# | - Barr all incoming calls when roaming Enable |
| #351*code# | - Barr all incoming calls when roaming Disable |
| *#351# | - Check status of barr all incoming calls when roaming |
| Blocking all incoming calls | |
| **353*code# | - Blocking all incoming calls Activate |
| #353*code# | - Block all incoming calls Deactivate |
| *#353# | - Check status of Blocking all incoming calls |
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Thomas Nilan Smartphone Expert |
| Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones. | |
 | Hiz-Qekjna | March 29, 2024 |
| The phone has a sleek design and premium build quality. The screen is vibrant with sharp resolution. Performance is smooth and responsive. Camera takes great photos. Battery life is good. Lots of features. Software is up to date. Good value for the price. | ||
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