| Specification Samsung Galaxy A81s |
| Bypass FRP Samsung Galaxy A81s |
| Root Samsung Galaxy A81s |
| Unlock Samsung Galaxy A81s |
| Firmware Samsung Galaxy A81s |
| Developer Mode Samsung Galaxy A81s |
| Bypass Lock Screen Samsung Galaxy A81s |
| Samsung Galaxy A81s Factory Reset |
| Screenshot Samsung Galaxy A81s |
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OS: Android 9.0 (Pie) CPU: Qualcomm SDM730 Snapdragon 730 (8 nm) RAM: 8 GB Display: 6.7 inches Battery: 3700 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#*#* | - Upcoming calendar events |
| *#*#426#*#* | - Google Play Services app with the information about the connectivity with the FCM server |
| *#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 UI system hidden menu. |
| *#*#36245#*#* | - Email debug information |
| *#*#8255#*#* | - Access Google Talk Service Monitor |
| *#*#64663#*#* | - Open engineering mode (Version, Bluetooth, Battery, Speakers) |
| *#*#7780#*#* | - Android factory reset code. |
| *2767*3855# | - Factory formatting |
| *#*#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#*#* | - GPS Testing Code |
| *#*#197328640#*#* | - Enabling test mode for service activity |
| *#*#0283#*#* | - Packet Loopback test |
| *#0228# | - battery calibration |
| *#*#232339#*#* OR *#*#526#*#* | - Wireless Lan Tests |
| *#*#0*#*#* | - LCD test |
| *#*#3264#*#* | - To display RAM Number |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Proximity sensor test |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Test the Bluetooth |
| *#*#232337#*# | - To display Bluetooth Physic Address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - General Test Mode (vibration test and backlight test) |
| *#*#2663#*#* | - Touchscreen Accuracy Test |
| *#*#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# | - Turn On Call waiting |
| #43# | - Turn OFF Call waiting |
| *#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 |
| Configure call forwarding | |
| *21*PhoneNumber# | - Register and activate divert all calls to PhoneNumber |
| ##21# | - Unregister divert all calls |
| *21# | - Divert all calls Enable |
| #21# | - Divert all calls Disable |
| *#21# | - Check status of divert all calls |
| Forwarding in case of "no answer" | |
| **61*PhoneNumber# | - Register and activate divert on no answer to PhoneNumber |
| ##61# | - Unregister divert on no answer |
| *61# | - Turn On Divert no answer calls |
| #61# | - Turn OFF Divert on no answer calls |
| *#61# | - Check status of divert on no answer |
| Call 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 |
| All calls barring | |
| **330*code# | - Turn On Barr all calls |
| #330*code# | - Turn OFF Barr all calls |
| *#330*code# | - Check status of barr all calls |
| Activate or deactivate barring 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 |
| All outgoing international calls barring except home country | |
| **332*code# | - Barr aall outgoing international calls except home country Enable |
| #332*code# | - Barr all outgoing international calls except home country Disable |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| All outgoing calls barring | |
| **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# | - Turn On Barr all incoming calls |
| #35*code# | - Turn OFF Barr all incoming calls |
| *#35# | - Check status of barr all incoming calls |
| All incoming calls barring when roaming | |
| **351*code# | - Turn On Barr all incoming calls when roaming |
| #351*code# | - Turn OFF Barr all incoming calls when roaming |
| *#351# | - Check status of barr all incoming calls when roaming |
| Activate or deactivate barring all incoming calls | |
| **353*code# | - Turn On Blocking all incoming calls |
| #353*code# | - Turn OFF Block all incoming calls |
| *#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. | |
 | Vcp-Noxyqj | March 02, 2024 |
| The Android 9.0 OS provides a smooth user experience with a variety of pre-installed apps. The sleek design and vibrant Super AMOLED screen enhance the overall quality. The rotating camera module captures impressive photos, while the battery life and fast charging capabilities are convenient. The device offers excellent value for the features it provides. | ||
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