| Specification vivo Y77t |
| Root vivo Y77t |
| Unlock vivo Y77t |
| Firmware vivo Y77t |
| Developer Mode vivo Y77t |
| Bypass Lock Screen vivo Y77t |
| vivo Y77t Factory Reset |
| Bypass FRP vivo Y77t |
| Screenshot vivo Y77t |
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OS: Android 13, OriginOS 3 CPU: Octa-core (2x2.2 GHz & 6x2.0 GHz) RAM: 256GB 8GB RAM, 256GB 12GB RAM Display: 6.64 inches, 106.8 cm2 (~85.4% screen-to-body ratio) Camera: 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth) Battery: Li-Po 5000 mAh, non-removable |
| *#06# | - International Mobile Equipment Identity |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Diagnostic and general settings mode (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - Check your events in calendar |
| *#*#426#*#* | - Check the connectivity between the FCM server and the mobile devices |
| *#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#*#* | - Access Google Talk Service Monitor |
| *#*#64663#*#* | - Hardware Test (Version, screen, led, sound, vibrate, all sensors) |
| *#*#7780#*#* | - This code can be used for a factory data reset. |
| *2767*3855# | - Reinstall factory ROM |
| *#*#232338#*#* | - Shows 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#*#* | - Full 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#*#* | - Show Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Test the proximity sensor |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Test the Bluetooth |
| *#*#232337#*# | - Shows Bluetooth device address in vivo Y77t |
| *#*#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# | - Activate waiting call |
| #43# | - Deactivate waiting call |
| *#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 |
| Set call forwarding | |
| *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# | - Activate no answer calls divert |
| #61# | - Deactivate no answer calls divert |
| *#61# | - Check status of divert on no answer |
| Configure 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 |
| 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 |
| Activate barr all calls | |
| **330*code# | - Activation Barr all calls |
| #330*code# | - Deactivate Barr all calls |
| *#330*code# | - Check status of barr all calls |
| Blocking 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 |
| GSM codes for barring 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 |
| Activate barr all outgoing calls | |
| **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# | - Activation Barr all incoming calls |
| #35*code# | - Deactivate Barr all incoming calls |
| *#35# | - Check status of barr all incoming calls |
| Activate barr all incoming calls when roaming | |
| **351*code# | - Activation 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# | - Activate all incoming calls Blocking |
| #353*code# | - Deactivate all incoming calls Blocking |
| *#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. | |
 | Vasadg | March 24, 2024 |
| The smartphone has impressive battery life, fast charging, and energy-saving modes. The design is sleek with a vibrant display. The camera quality is excellent. Good value for money. | ||
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