How do I get a valid MMI code?

How do I get a valid MMI code?

Ways to Fix the MMI Code Error

1. Restart the Android Device. The first way to try to fix an invalid MMI code would be to restart the smartphone.
2. Check Network Settings.
3. Use Airplane Mode.
4. Modify the Prefix Code.
5. Activating Radio and Turning on IMS over SMS.

What does it mean when it says invalid MMI code?

There can be many reasons behind the “Connection problem or invalid MMI code” error. However, most times this problem is caused when there is issues with either the network provider or with the SIM authentication on your Android device.

What is my MMI code?

(Man Machine Interface code) A cellphone code that begins with a star/hash (*#) prefix. MMI codes are entered like telephone numbers to obtain a variety of information as well to enable and disable various actions. For example, entering *#06# on a GSM phone displays the model and serial number (see IMEI).

What does *# 21 do to your Android phone?

According to tech magazine How-To Geek, dialing this code shows whether or not call forwarding is enabled on the device — not whether it’s been hacked. How-to Geek described the *#21# feature as an “interrogation code” that allow users to view their call forwarding setting from the phone app.

What is MMI code of Jio SIM?

Jio USSD Codes 2022

S/N	Check Details	Jio USSD Codes
1	Know balance/Talktime	*333#
2	Know Number	Dial *1#
3	Check 4G data usage	MBAL to 55333
4	Check prepaid balance & validity	SMS BAL to 199

What is MMI code for Jio?

What is the USSD code of Airtel?

Complete Airtel USSD Codes 2022 List

Details	Airtel USSD Codes
Check Airtel Unlimited Packs	*121*1#
Airtel Offer Check Code	*121#
Airtel Data Balance Check USSD Code (2G/3G/4G)	*121*2#
Airtel Customer Care Number	198

How do I find my USSD code Jio?

Method 1: Open your Calling App to dial Jio USSD Codes Dial *1# for Sim 1, or *2# for Sim 2. Alternatively, you can dial 1299 as well. You should get a pop-up or a message with your current Jio mobile number!