Algar Telecom (CTBC) · Carrier Unlock

Unlock ZTG from Algar Telecom (CTBC)

Permanently remove the Algar Telecom (CTBC) network lock from your ZTG using its IMEI. Use any SIM, anywhere — including international carriers when you travel.

Unlock my ZTG — $19.99

Price

$19.99

Delivery

1-5 business days

Method

Official IMEI

Permanent factory whitelist. No software.

About this ZTG × Algar Telecom (CTBC) unlock

Algar Telecom (CTBC) locks devices to its network when sold on contract or financed. Unlocking your ZTG is straightforward once your account meets Algar Telecom (CTBC)'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 ZTG's IMEI directly, and once approved, the device is permanently whitelisted. The unlock survives factory resets, OS updates, and SIM swaps.

Algar Telecom (CTBC) country coverage

Algar Telecom (CTBC) operates in 1 country. Your ZTG unlock works regardless of which country it was originally sold in.

🇧🇷 Brazil

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FAQ — ZTG on Algar Telecom (CTBC)

Can Algar Telecom (CTBC) block this unlock?: No. Once your ZTG's IMEI is whitelisted on the manufacturer's database, Algar Telecom (CTBC) cannot reverse it.
Will my ZTG 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 Algar Telecom (CTBC) account credentials?: No. We unlock by IMEI alone. You don't need to provide your Algar Telecom (CTBC) username, PIN, or account number.
What if my ZTG is still on a Algar Telecom (CTBC) 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.

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Ready to free your ZTG from Algar Telecom (CTBC)?

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

Start unlock →