Question: Why Does My Phone Say Invalid MMI Code?

How do I fix call setting error?

Method 1: Remove Battery and SIM Card Step 1: Power off your Android smartphone and remove both battery and SIM card.

Step 2: Wait for about 5 minutes and then insert SIM and battery.

Step 3: Switch of the device.

Now you network error issue will be solved..

What is the use of * * 4636 * *?

*#*#4636#*#* This code can be used to get some interesting information about your phone and battery. It shows following 5 menus on screen: Phone information. Battery information.

How do you know if my calls are being monitored?

How do I know if someone is tracking my phone?Faster draining of battery. Spy software will consume battery and device resources while running in the background. … Strange noise while calling. … Overheating of the device. … Increased data usage.

What is the code * * 4636 * *?

Android Hidden CodesCodeDescription*#*#4636#*#*Display information about Phone, Battery and Usage statistics*#*#7780#*#*Restting your phone to factory state-Only deletes application data and applications*2767*3855#It’s a complete wiping of your mobile also it reinstalls the phones firmware29 more rows

How do I access the hidden menu?

Tap the hidden menu entry and then below you’ll see a list of all hidden menus on your phone. From here you can access any one of them. *Note this may be called something else if you are using a launcher other than Launcher Pro.

Why is my phone saying invalid MMI code?

Though the error is generally seen in the dual SIM mobile phones, it may sometimes also occurs in single SIM phones. It mostly occurs either due to issues with the carrier or because of SIM authentication problems.

What is a MMI code on a cell phone?

Every code that you enter over your phones keypad that contains asterisk (*) or hash (#) characters is an MMI code. MMI stands for Man-Machine-Interface. Even though most of these MMI codes look pretty similar, they fall into different groups with completely different actions.

What happens if you dial *# 06?

Display your IMEI: *#06# The IMEI is unique to your device. Among other things, the number can help “blacklist” stolen devices or help with customer support.

Does *# 21 mean your phone is tapped?

The code does not show if a phone has been tapped 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 does ## 27263 do?

##27263# Removes any branding (sprint) and resets phone to update branding. (useful if flashing to boost or other carrier) (##BRAND#) Reboots phone.

How do I turn off MMI code?

You can fix this error.Go to Dial Pad.Dial *#*#4636#*#* (No need to press the call button, it will automatically appear the service mode)Select the ‘Device Information or Phone Information’.Select ‘Run Ping Test’.Click on ‘Turn Radio Off’ Button.Then, click on ‘Turn on SMS over IMS’Reboot your phone & Check.More items…

What happens when you dial *# 21?

*#21# With this code, you can find out whether your calls, messages and other data are being diverted. The status of the different types of diversions that are taking place along with the number the information is being transferred to will be displayed on your phone’s screen.

What does MMI stand for?

Maximum Medical ImprovementMMI stands for Maximum Medical Improvement. It is defined as the point at which an injured worker’s medical condition has stabilized and further functional improvement is unlikely, despite continued medical treatment or physical rehabilitation.

How do I fix invalid MMI code on Samsung?

Another simple and effective way to fix Connection Problem or Invalid MMI Code on android phone is to add a comma at the end of the Prefix code. By adding the comma it forces the operation to execute and overlook any error that’s in the way.

What is the use of *# 9900?

The correct menu of *#9900# lets you delete dump-state which results in clearing up your phone. Below are the solutions Android users can try to resolve the issue of insufficient disk space and *#9900# problem.