"SIM card not detected" or "SIM card removed" how to solve on Android phones, here are some solutions that really work in case your Samsung Galaxy phone or any other Android phone is reading the error "No SIM Card Installed Error", "No service "or" Emergency calls only ", whenever you try to make a call from your Android phone.
The NO SIM error could be due to a number of reasons ranging from anomalies in your phone software to a defective SIM card, in the worst case.
Reading the users' experiences, as reported on various Android forums, the error "No SIM Card Installed Error" was not solved, even after replacing the SIM card.
Therefore, we recommend that you try these simple solutions listed in this article before changing the SIM card of your Android phone.
"SIM card not detected" or "SIM card removed" how to solve on Android phones
Restart the Android phone
The simple procedure to switch off and switch on the phone can solve minor problems that could be the cause of the problem on your Android phone.
Network mode set to Auto
This is usually the problem that most users have, the type of network setting is switched and shows you the error message No SIM Card Installed Error.
Step 1. Tap Settings.
Step 2: Touch Wireless and Networks.
Step 3: Tap Mobile networks.
Step 4: Now select network operators.
Step 5: By default, you will find selected on the automatic mode.
Step 6: Make sure the LTE / WCDMA / GSM option is selected.
Setting the option to LTE / WCDMA / GSM should fix the problem on your Android phone.
Set up your operator
When you see "No SIM" in case the network operator on your Android phone is set incorrectly and does not match the operator you currently have.
Step 1. Tap Settings
Step 2. Tap on the Mobile Networks tab, located in Connections.
Step 3. Next, touch network operators.
Step 4. On the next screen, tap on the search network.
Step 5. Wait for your Android phone to find the available networks, once the search is complete, you will see the different operators listed on the screen. From the list, touch the name of your current operator.
Activate / deactivate flight mode
Another solution to resolve the error "No SIM Card Installed Error" on your phone, Android is to activate the Airplane mode and turn it off after a while.
Step 1. Tap Settings> Press on Airplane mode.
Step 2. On the next screen, turn on Airplane mode by moving the cursor to ON.
Step 3. Turn off the phone.
Step 4. After 120 seconds, switch the phone back on and always set the flight mode button to OFF by moving the cursor to OFF.
SIM badly cut
You cut the sim yourself, don't do it, my advice is to go to a store and request a sim from the original format, this could be the main cause.
Some say that if the cut of the sim was done well, the phone does not read the sim, in part it may be true. But it can happen to miss the cut for less than a millimeter, try.
Reset the network
Step 1: Open the dialer on the Samsung Galaxy device.
Step 2: Now type * # * # 4636 # * # * in the dialer.
Step 3: A new test menu will be shown.
Step 4: Tap Phone / Device Information.
Step 5: Click on test ping run.
Step 6: Select GSM Auto (PRL) from the list.
Step 7: Tap Click Turn off radio.
Step 8: Restart the device.
Hard reset of your Android phone
If none of these methods work we have one last option, you will need to perform a factory reset.
Step 1: Go to Settings.
Step 2: Tap on Backup and restore.
Step 3: Now select Factory data reset.