| Specification Tengda L8 |
| Root Tengda L8 |
| Unlock Tengda L8 |
| Firmware Tengda L8 |
| Developer Mode Tengda L8 |
| Bypass Lock Screen Tengda L8 |
| Tengda L8 Factory Reset |
| Screenshot Tengda L8 |
|
OS: Android 4.4 KitKat CPU: Octa-Core (8x Cortex A7 1.7 GHz) RAM: 1GB 16GB, 1GB · 16GB Display: 5.5" inc Camera: 12,8 MP, Unknow, (wide) Battery: 2000 mAh, Li-Ion, Removable |
| *#06# | - International Mobile Equipment Identity |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Hidden Android Testing menu (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - Calendar Storage |
| *#*#426#*#* | - This code show Google Play |
| *#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#*#* | - Display a debug information about your email ID |
| *#*#8255#*#* | - For Google Talk service monitoring |
| *#*#64663#*#* | - Access Hardware Test (Sensors, Bluetooth, Battery, Speakers) |
| *#*#7780#*#* | - This code can be used for a factory data reset. |
| *2767*3855# | - Instant reset |
| *#*#232338#*#* | - Shows Wi-Fi Mac-address |
| *#*#34971539#*#* or *#34971539# | - Show 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#*#* | - Another 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#*#* | - Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Test the proximity sensor |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Troubleshoot your Bluetooth |
| *#*#232337#*# | - Check Bluetooth device 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# | - To turn Call Waiting On for all calls |
| #43# | - To turn Call Waiting OFF for all calls |
| *#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 |
| USSD 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# | - To turn Divert On no answer calls |
| #61# | - To turn Divert OFF for no answer calls |
| *#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 |
| 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 |
| Activate barr 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 |
| Set barring of all calls | |
| **330*code# | - Activate barr all calls |
| #330*code# | - Deactivate Barr all calls |
| *#330*code# | - Check status of barr all calls |
| Blocking all outgoing international calls | |
| **331*code# | - Activate all outgoing international calls barring |
| #331*code# | - Deactivate all outgoing international calls barring |
| *#331*code# | - Check status of barr all outgoing international calls |
| Blocking 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 |
| Set barring of all outgoing calls | |
| **333*code# | - Activate all outgoing calls barring |
| #333*code# | - Deactivate all outgoing calls barring |
| *#333# | - Check status of barr all outgoing calls |
| Activate barr 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 |
| Set barring of 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 |
| Blocking all incoming calls | |
| **353*code# | - To turn Block On for all incoming calls |
| #353*code# | - To turn Block OFF for all incoming calls |
| *#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. | |
 | QipBewa | March 12, 2024 |
| The Android 4.4 KitKat operating system is outdated, but the octa-core processor provides decent performance. The design is basic, the screen quality is average, and the camera is satisfactory. Battery life is decent, but overall functionality is limited. Sound quality and network connectivity are acceptable. The device offers basic features at an affordable price, but lacks modern updates and advanced capabilities. | ||
| Reply | ||
