Can I still use my phone while this error is showing?

With this error active, you won't be able to contact anyone except via emergency calls only. However, you can still use your phone and its other features without a problem. Wi-Fi connectivity and apps that don't require cellular service continue to function normally.

The error appeared after I transferred my number to a new SIM — is that normal?

When you request a number transfer to a new SIM, the carrier automatically deactivates the old SIM, so seeing the error on the old card is expected. If the error appears on the new SIM after the transfer, it means the porting process hasn't fully completed yet — wait up to four hours, and if the error persists contact your carrier directly.

Does this error mean the SIM is permanently damaged?

Not necessarily. The error can occur for several reasons: a new SIM not yet activated, incorrect reinsertion, a carrier server issue, or a suspended line. If the SIM works in another phone, the issue is with your device, not the card. If you see no signal bars in the second phone either, the SIM is likely faulty and needs replacing.

Does the fix differ between iPhone and Android?

The core steps are the same — airplane mode toggle, restart, and re-seating the SIM apply to both platforms. On Android, you can additionally update the Carrier Services app from the Google Play Store. On iPhone, try updating carrier settings by going to Settings → General → About — if an update is available, a prompt will appear automatically.

Can this error appear on smartwatches?

Yes — this error can appear on smartwatches with built-in SIM support such as the Galaxy Watch. It typically means the SIM wasn't properly activated on the account, or the SIM numbers registered on the account don't match. The solution is to contact your carrier to correct the SIM data associated with the watch's line.

How to Fix the SIM Card Not Provisioned MM2 Error — 7 Guaranteed Solutions for Android and iPhone (2026)

How to Fix the "SIM Card Not Provisioned MM2" Error — Complete 2026 Guide

Did the "SIM not provisioned MM2" error appear suddenly or right after inserting a new SIM? This error typically indicates that your phone is unable to communicate with your carrier's network.

What Does This Error Actually Mean?

The core cause of the SIM Not Provisioned MM2 error is that the SIM is not activated, is suspended by the carrier, or is not being detected by the phone. If you just bought a new SIM you likely need to activate it first. If it was working and suddenly stopped, it either means the SIM has aged out and become inactive, or it was deactivated by the carrier because you requested a number transfer to a new SIM.

If your phone shows "SIM not provisioned for voice," it means you cannot make voice calls — the most common reason is that your line has become disconnected from your carrier account. On dual-SIM phones the error may specify "SIM 1 not provisioned" or "SIM 2 not provisioned."

Solutions: Simplest to Most Advanced

Fix 1: Toggle Airplane Mode

One of the simplest fixes is toggling airplane mode on and off — this temporarily disables the mobile network and allows the phone to reset its connections. On Android, swipe down twice to access Quick Settings and tap the Airplane Mode tile, wait a few seconds, then tap it again. On iPhone, go to Settings and use the Airplane Mode toggle.

Fix 2: Restart Your Phone

It may seem unlikely, but simply turning the phone off and back on can sometimes resolve the SIM not provisioned error.

Fix 3: Re-seat the SIM Card

If the SIM was inserted incorrectly or the phone took a knock and dislodged it, the error can appear. Use the SIM ejector tool to remove the tray, give the card a quick wipe to clean any dirt, reinsert it properly, and restart the phone.

Sometimes the phone fails to detect the SIM because dust or debris has accumulated on the card or in the slot. Eject the SIM tray and clean both gently — be careful not to apply too much pressure as even minor force can cause damage.

Fix 4: Activate a New SIM Card

If you just acquired a new SIM card, you need to activate it before use. Depending on your carrier, you need to call or text a specific number to activate — this number is printed on the SIM's retail package. Activation can take anywhere between 0 and 4 hours.

Fix 5: Reset Network Settings

Go to Settings → General Management → Reset → Reset Mobile Network Settings → Reset Settings, and enter your PIN when prompted.

Fix 6: Test the SIM in Another Phone

Not sure whether the problem is with the SIM or the phone? Remove the SIM and try it in another device to see if the same error appears. If a call goes through, the SIM card is working and the issue lies with your original phone.

Fix 7: Contact Your Carrier or Replace the SIM

If none of the above works, visit your carrier store and request a new SIM. Inform them about the "SIM not provisioned MM2" error — they can run diagnostics on the old SIM and either resolve the issue or issue a replacement with your number transferred over.