DeviceDecoded
ATT · Carrier Unlock

Unlock CALME from ATT

Permanently remove the ATT network lock from your CALME using its IMEI. Use any SIM, anywhere — including international carriers when you travel.

Price

$19.99

Delivery

1-5 business days

Method

Official IMEI

Permanent factory whitelist. No software.

About this CALME × ATT unlock

ATT locks devices to its network when sold on contract or financed. Unlocking your CALME is straightforward once your account meets ATT's eligibility criteria — typically the device must be paid off and not reported lost or stolen.

DeviceDecoded uses the manufacturer's official unlock channel. We submit your CALME's IMEI directly, and once approved, the device is permanently whitelisted. The unlock survives factory resets, OS updates, and SIM swaps.

ATT country coverage

ATT operates in 2 countries. Your CALME unlock works regardless of which country it was originally sold in.

  • 🇲🇽 Mexico
  • 🇺🇸 USA

Popular CALME models on ATT

FAQ — CALME on ATT

Can ATT block this unlock?
No. Once your CALME's IMEI is whitelisted on the manufacturer's database, ATT cannot reverse it.
Will my CALME stay unlocked after a factory reset?
Yes. The unlock is permanent at the factory level — it persists through factory resets, OS updates, and SIM changes.
Do I need my ATT account credentials?
No. We unlock by IMEI alone. You don't need to provide your ATT username, PIN, or account number.
What if my CALME is still on a ATT payment plan?
It depends on the device's status. Start with the eligibility check at our unlock checkout — that page explains how the two-stage payment works before you commit.

Other brands on ATT

Ready to free your CALME from ATT?

Enter your IMEI to start. Money-back if we can't deliver.

Start unlock →