Smartphones > Oppo > Oppo A37

Oppo A37 secret codes

Specification Oppo A37

Hard reset Oppo A37

Root Oppo A37

Unlock Oppo A37

Firmware Oppo A37

Developer Mode Oppo A37

Bypass Lock Screen Oppo A37

Oppo A37 Factory Reset

Bypass FRP Oppo A37

Screenshot Oppo A37

Oppo A37 smartphone runs on Android 5.1 (Lollipop); ColorOS 3 operating system. The phone is powered by Quad-core 1.2 GHz Cortex-A53 processor. It has 16 GB, 2 GB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB (dedicated slot). The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 67.8%. The smartphone is fueled with a 2630 mAh,  Non-removable Li-Ion. The main camera of the smartphone consists of a 8 MP, Single. The sensors include Accelerometer, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, Wi-Fi, 3.5 mm Jack and more. The Oppo A37 are available in various colors such as Gold, Rose Gold. It measures 143.1 x 71 x 7.7 mm and weighs 136 g.

Secret codes for Oppo A37

*#06#	- IMEI number
*#*#3646633#*#* or *#*#54298#*#*	- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*	- This code can be used to get some interesting information about Oppo A37 (Phone, Battery, WiFi and other)
*#*#225#*#*	- This code show the number of festivities and events in your calendar
*#*#426#*#*	- Open Google Play Services
*#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#*#*	- This code show Email debug info
*#*#8255#*#*	- To launch Google Talk service monitor
*#*#64663#*#*	- To launch hardware test (Version, Sim, WLAN, Battery, Radio, Speakers, Bluetooth)
*#*#7780#*#*	- Factory Data Reset (all phone data will be erased).
*2767*3855#	- The firmware of the device is completely reinstalled
*#*#232338#*#*	- View Wi-Fi Mac-address
*#*#34971539#*#* or *#34971539#	- Full information about the camera.
*#*#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#*#*	- Launch 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 Mode
*#*#8351#*#*	- Enables voice dialing logging mode
*#*#232331#*#*	- Bluetooth test
*#*#232337#*#	- Displays bluetooth device 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

GSM codes for Oppo A37

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

Activate or deactivate Call waiting
*43#	- Call waiting is turned ON
#43#	- Call waiting is turned OFF
*#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

Status of divert all calls
*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 is turned ON
#61#	- Divert on no answer calls is turned OFF
*#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

Call diversion when "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

Blocking 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

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

Set barring of all outgoing international calls
**331*code#	- Activate 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#	- 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

Codes for barring all outgoing calls
**333*code#	- Activate barr all outgoing calls
#333*code#	- Deactivate Barr all outgoing calls
*#333#	- Check status of barr all outgoing calls

Blocking 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

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

Set barring of all incoming calls
**353*code#	- Block all incoming calls is turned ON
#353*code#	- Block all incoming calls is turned OFF
*#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.

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User questions and comments about secret codes Oppo A37

	Ali	April 17, 2021
	Please corect code for my whatsapp number 03412976173
Reply

	Yosith	April 28, 2021
	How to know my hidden app code
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	Aditi	May 09, 2021
	Call barring code oppo A37fw
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	Dipali Jadhav	June 21, 2021
	I want oppo a37 code of storeage
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	samir barua	June 26, 2021
	command with erase all storage file for vivo mobile
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	Richard	July 16, 2021
	My Oppo was rooted by the former user and now need to be flashed.. but it only shows (wipe data, contacts and application) What can i do?
Reply
joseph January 13, 2024 sorry, which kind oppo?

	Abhishek	November 20, 2021
	I just forgot my barring password what to do please help
Reply

	Samuel Wan	February 04, 2022
	How do I fix my internet connection
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	Vijayalakshmi	April 02, 2022
	Qc test code for earpiece test
Reply

	Raju	January 24, 2023
	Call barring kaise hatau?
Reply

	Appo a37f	June 03, 2023
	Riset code
Reply

	Ballnj	March 09, 2024
	The Android 5.1 operating system is smooth and responsive. The design is sleek with a durable build. The screen is vibrant and protected by Gorilla Glass 4. Battery life is decent. The camera takes good quality photos. Overall, a budget-friendly option with solid performance.
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