| Specification M-Tech Opal Pro |
| Root M-Tech Opal Pro |
| Unlock M-Tech Opal Pro |
| Firmware M-Tech Opal Pro |
| Developer Mode M-Tech Opal Pro |
| Bypass Lock Screen M-Tech Opal Pro |
| M-Tech Opal Pro Factory Reset |
| Screenshot M-Tech Opal Pro |
|
OS: Android v4.2 (Jelly Bean) CPU: 1.2 GHz, Dual Core Processor RAM: 256 MB Display: 3.5 inches, 320 x 480 pixels Camera: 2 MP Battery: 1300 mAh, Li-ion Battery |
| *#06# | - International Mobile Equipment Identity |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Open testing menu (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - Event calendar |
| *#*#426#*#* | - Debug information for Google Play service. |
| *#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. Access Google Partner setup |
| *#*#36245#*#* | - Display a debug information about your email ID |
| *#*#8255#*#* | - This code can be used to launch Google Talk Service Monitor |
| *#*#64663#*#* | - Mobile phones Hardware Test |
| *#*#7780#*#* | - Reset mobile phone to factory settings. |
| *2767*3855# | - Device firmware is completely reinstalled |
| *#*#232338#*#* | - Shows Wi-Fi Mac-address |
| *#*#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#*#* | - Test GPS |
| *#*#197328640#*#* | - Enabling test mode for service activity |
| *#*#0283#*#* | - Packet Loopback test |
| *#0228# | - battery calibration |
| *#*#232339#*#* OR *#*#526#*#* | - Wireless Lan Tests |
| *#*#0*#*#* | - LCD display test Code |
| *#*#3264#*#* | - Ram version M-Tech Opal Pro |
| *#*#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#*# | - Bluetooth address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Check Backlight and Vibration |
| *#*#2663#*#* | - This code for 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# | - Enable call waiting on your phone |
| #43# | - Disable call waiting on your phone |
| *#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 |
| Call Forward All | |
| *21*PhoneNumber# | - Register and activate divert all calls to PhoneNumber |
| ##21# | - Unregister divert all calls |
| *21# | - Divert all calls is turned ON |
| #21# | - Divert all calls is turned OFF |
| *#21# | - Check status of divert all calls |
| Configure 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# | - Enable Divert on no answer calls on your phone |
| #61# | - Disable divert on no answer calls on your phone |
| *#61# | - Check status of divert on no answer |
| Set up 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 |
| Divert calls if your line is "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 |
| USSD Codes For Barring all calls | |
| **330*code# | - Barr all calls Activate |
| #330*code# | - Barr all calls Deactivate |
| *#330*code# | - Check status of barr all calls |
| Codes for barring 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 |
| Barr all outgoing international calls except home country | |
| **332*code# | - Barr all outgoing international calls except home country is turned ON |
| #332*code# | - Barr all outgoing international calls except home country is turned OFF |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| USSD Codes For Barring all outgoing calls | |
| **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# | - Barr all incoming calls Activate |
| #35*code# | - Barr all incoming calls Deactivate |
| *#35# | - Check status of barr all incoming calls |
| USSD Codes For Barring all incoming calls when roaming | |
| **351*code# | - Barr all incoming calls when roaming Activate |
| #351*code# | - Barr all incoming calls when roaming Deactivate |
| *#351# | - Check status of barr all incoming calls when roaming |
| Codes for barring all incoming calls | |
| **353*code# | - Enable Blocking all incoming calls on your phone |
| #353*code# | - Disable Block all incoming calls on your phone |
| *#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. | |
 | Vadyga! | March 23, 2024 |
| The camera quality is decent, but the battery life is lacking. The phone has basic functionality and a small screen. Performance is average, and software is outdated. | ||
| Reply | ||
