| Specification Videocon A31 |
| Root Videocon A31 |
| Unlock Videocon A31 |
| Firmware Videocon A31 |
| Developer Mode Videocon A31 |
| Bypass Lock Screen Videocon A31 |
| Videocon A31 Factory Reset |
| Screenshot Videocon A31 |
|
OS: Android v4.2.2 (Jelly Bean) CPU: 1.2 GHz, Dual Core Processor RAM: 512 MB Display: 4 inches, 480 x 800 pixels Camera: 5 MP with autofocus |
| *#06# | - IMEI (International Mobile Equipment Identity) number |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Testing menu: Phone, Battery, Usage, WiFi Information. |
| *#*#225#*#* | - Calendar Storage |
| *#*#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 UI. Unique Device ID, PID, ACAP |
| *#*#36245#*#* | - Email debug information |
| *#*#8255#*#* | - Used to launch Google Talk Service Monitor |
| *#*#64663#*#* | - Check Hardware (Version, Sensors, Battery, Radio, Speakers) |
| *#*#7780#*#* | - Factory Data Reset (all phone data will be erased). |
| *2767*3855# | - Instant reset |
| *#*#232338#*#* | - Displays Wi-Fi Mac-address |
| *#*#34971539#*#* or *#34971539# | - Display 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*#*#* | - Mobile phone LCD test |
| *#*#3264#*#* | - Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Proximity sensor test |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Check Bluetooth |
| *#*#232337#*# | - Displays Bluetooth address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Backlight/vibration test |
| *#*#2663#*#* | - The displays touch-screen version of Android device |
| *#*#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# | - To turn Divert On for all calls |
| #21# | - To turn Divert OFF for all calls |
| *#21# | - Check status of divert all calls |
| Set up call 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 |
| Diversion 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 |
| GSM 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# | - Activate barr all calls |
| #330*code# | - Deactivate Barr all calls |
| *#330*code# | - Check status of barr all calls |
| Set barring of all outgoing international calls | |
| **331*code# | - Activation Barr all outgoing international calls |
| #331*code# | - Deactivate Barr all outgoing international calls |
| *#331*code# | - Check status of barr all outgoing international calls |
| Blocking all outgoing international calls except home country | |
| **332*code# | - To turn Barring On for all outgoing international calls except home country |
| #332*code# | - To turn Barring OFF for 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# | - Activation Barr all outgoing calls |
| #333*code# | - Deactivate Barr all outgoing calls |
| *#333# | - Check status of barr all outgoing calls |
| GSM codes for barring all incoming calls | |
| **35*code# | - Activate barr all incoming calls |
| #35*code# | - Deactivate Barr all incoming calls |
| *#35# | - Check status of barr all incoming calls |
| Barr all incoming calls when roaming | |
| **351*code# | - Activate barr all incoming calls when roaming |
| #351*code# | - Deactivate Barr all incoming calls when roaming |
| *#351# | - Check status of barr all incoming calls when roaming |
| Set barring of 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 |
 |
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. | |
 | Sebygn | March 17, 2024 |
| The battery life is decent, but could be better. The device has a good range of functions and features, but the performance can be sluggish at times. The camera quality is average. The design is basic but sturdy. Overall, it's a budget-friendly option with some limitations. | ||
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