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Ulefone GQ3028 secret codes


 Specification Ulefone GQ3028 
 Hard reset Ulefone GQ3028 
 Root Ulefone GQ3028 
 Unlock Ulefone GQ3028 
 Firmware Ulefone GQ3028 
 Developer Mode Ulefone GQ3028 
 Bypass Lock Screen Ulefone GQ3028 
 Ulefone GQ3028 Factory Reset 
 Screenshot Ulefone GQ3028 

Ulefone GQ3028


OS: Android 6.0 Marshmallow

CPU: Octa-Core 1.3 GHz ARM Cortex-A53
RAM: 2GB
Display: 5.5 inches
Camera: 13 Megapixels
Battery: 3,250 mAh Lithium-Ion




Ulefone GQ3028 smartphone runs on Android 6.0 Marshmallow operating system. The phone is powered by Octa-Core 1.3 GHz ARM Cortex-A53 processor. The smartphone has a IPS, LCD capacitive touchscreen providing. The main camera of the smartphone consists of a 13 Megapixels. The sensors include Proximity Sensor, Accelerometer, Ambient Light, Compass, Fingerprint, Hall Effect. Connectivity features in the smartphone include, GPS, A-GPS, GLONASS, Wi-Fi, 3.5 mm Jack and more. It measures 150 x 77.2 x 8.8 mm and weighs 155 Grams (With Battery).

Secret codes for Ulefone GQ3028

*#06#- IMEI number is a unique serial number
*#*#3646633#*#* or *#*#54298#*#*- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*- Testing menu: Phone, Battery, Usage, WiFi Information.
*#*#225#*#*- This code show the number of festivities and events in your 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 system hidden menu.
*#*#36245#*#*- Access Email debug info Email
*#*#8255#*#*- Used to launch Google Talk Service Monitor
*#*#64663#*#*- Mobile phones Hardware Test
*#*#7780#*#*- Android factory reset code.
*2767*3855#- The firmware of the device is completely reinstalled
*#*#232338#*#*- Show MAC address of Wi-Fi network
*#*#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#*#*- Test GPS
*#*#197328640#*#*- Enabling test mode for service activity
*#*#0283#*#*- Packet Loopback test
*#0228#- battery calibration


*#*#232339#*#* OR *#*#526#*#*- Wireless Lan Tests
*#*#0*#*#*- LCD test
*#*#3264#*#*- Ram version
*#*#1111#*#*- FTA Software version
*#*#2664#*#*- Touch-Screen test
*#*#0588#*#*- Test the proximity sensor
*#*#8351#*#*- Enables voice dialing logging mode
*#*#232331#*#*- Check Bluetooth
*#*#232337#*#- Bluetooth address
*#*#7262626#*#*- Field test
*#*#0289#*#* OR *#*#0673#*#*- Audio test
*#*#0842#*#*- General Test Mode (vibration test and backlight test)
*#*#2663#*#*- Touchscreen Accuracy Test
*#*#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


GSM codes for Ulefone GQ3028



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#- 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 Enable
#21#- Divert all calls Disable
*#21#- Check status of divert all calls
Forwarding 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 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
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
USSD Codes For Barring all calls
**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
Activate or deactivate barring 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
USSD Codes For Barring all outgoing international calls except home country
**332*code#- Barr aall outgoing international calls except home country Enable
#332*code#- Barr all outgoing international calls except home country Disable
*#332*code#- Check status of barr all outgoing international calls except home country
USSD Codes For Barring 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#- 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
USSD Codes For Barring all incoming calls 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
Activate or deactivate 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.



User questions and comments about secret codes Ulefone GQ3028



userQcwlvusMarch 27, 2024
The camera captures great photos in different lighting, but lacks optical image stabilization. Battery life is decent and charges quickly. The device has many features and a solid build quality. The screen is vibrant and the performance is smooth. The operating system is user-friendly. Calls are clear, and data speeds are fast. The cost is reasonable for the features offered. Overall, a reliable device with some minor drawbacks.
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