| Specification UMIDIGI A3 Pro |
| Hard reset UMIDIGI A3 Pro |
| Root UMIDIGI A3 Pro |
| Unlock UMIDIGI A3 Pro |
| Firmware UMIDIGI A3 Pro |
| Developer Mode UMIDIGI A3 Pro |
| Bypass Lock Screen UMIDIGI A3 Pro |
| UMIDIGI A3 Pro Factory Reset |
| Screenshot UMIDIGI A3 Pro |
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OS: Android 8.1 Oreo CPU: ARM Cortex-A53, 1500 MHz, Cores: 4 RAM: 3 GB, 667 MHz Display: 5.5 inches Camera: 12.19 MP (megapixels) Battery: 3300 mAh, Li-Polymer |
| *#06# | - IMEI number is a unique serial number |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Open testing menu (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - This code show the number of festivities and events in your calendar |
| *#*#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#*#* | - Access Email debug info Email |
| *#*#8255#*#* | - This code can be used to launch Google Talk Service Monitor |
| *#*#64663#*#* | - Open engineering mode (Version, Bluetooth, Battery, Speakers) |
| *#*#7780#*#* | - This code erases all your mobile data. |
| *2767*3855# | - The firmware of the device is completely reinstalled |
| *#*#232338#*#* | - Show MAC address of Wi-Fi network |
| *#*#34971539#*#* or *#34971539# | - 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 Screen Test Code |
| *#*#3264#*#* | - Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Test the proximity sensor |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Show Bluetooth Test Mode |
| *#*#232337#*# | - To display Bluetooth Physic Address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Check Device Test Vibration and Backlight |
| *#*#2663#*#* | - Display device's 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 | |
| GSM codes for 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 Activate |
| #21# | - Divert all calls Deactivate |
| *#21# | - Check status of divert all calls |
| Set up call 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 |
| Set 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 |
| Set up call forwarding 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 |
| USSD 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# | - Enable Barr all calls on your phone |
| #330*code# | - Disable Barr all calls on your phone |
| *#330*code# | - Check status of barr all calls |
| Barr all outgoing international calls | |
| **331*code# | - Enable Barr all outgoing international calls on your phone |
| #331*code# | - Disable Barr all outgoing international calls on your phone |
| *#331*code# | - Check status of barr all outgoing international calls |
| USSD Codes For Barring all outgoing international calls except home country | |
| **332*code# | - Barr all outgoing international calls except home country Activate |
| #332*code# | - Barr all outgoing international calls except home country Deactivate |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| All outgoing calls barring | |
| **333*code# | - Enable Barr all outgoing calls on your phone |
| #333*code# | - Disable Barr all outgoing calls on your phone |
| *#333# | - Check status of barr all outgoing calls |
| USSD Codes For Barring all incoming calls | |
| **35*code# | - Enable Barr all incoming calls on your phone |
| #35*code# | - Disable Barr all incoming calls on your phone |
| *#35# | - Check status of barr all incoming calls |
| All incoming calls barring when roaming | |
| **351*code# | - Enable Barr all incoming calls when roaming on your phone |
| #351*code# | - Disable Barr all incoming calls when roaming on your phone |
| *#351# | - Check status of barr all incoming calls when roaming |
| Barr 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. | |
 | Syvjvj-Cjp | March 04, 2024 |
| The mobile device has a sleek design and solid build quality. The screen is vibrant and responsive. The performance is smooth, with good multitasking capabilities. The camera takes high-quality photos. Battery life is decent, with fast charging. The device offers a range of features, including fingerprint scanning. The operating system is user-friendly. Call quality and network speeds are reliable. Overall, it offers good value for money. | ||
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