You can call to the network provider and request the unlocking code for the Samsung S3850 Corby II, , the carrier can provide you the code for FREE, but you should accomplish some conditions, you should be the device´s owner and contract must be finished. Sometimes is very complicated meet this conditions, for example if the phone is bought second-hand or device is in other country can be an impossible task, but do not worry! our Samsung servers calculate the official unlock code in a few minutes, unlock code and the instructions will be sent to your email after filling out the form and complete the purchase.
It´s easy, power on the S3850 Corby II with an unaccepted SIM card (different carrier). Phone should be request SIM network unlock PIN, sometimes will request SIM network PIN blocked. Enter SIM network PUK, this is the unfreeze code MCK and appears because the attempts are spent and phone required PUK code. Other times needs the regional code RGCK (when you are going to use the phone in another continent or region).
Yes, surely, the unlocking will never be erased, you can change and update the software without problem and make a factory reset.
Yes, the Samsung will be unlocked forever from Canada and from overseas, you can use any carriers like Bell Mobility, Chat'r, DMTS, Fido, First, Globalstar, ICE Wireless, Freedom, MTS, Rogers, SaskTel, Telus Mobility, Videotron, Wind, Koodo, Solo Mobile, Virgin Mobile, Mobilicity
Most carriers lock their phones when are bought under contract and the device allows only receive signal from one network provider. When is introduced a different SIM card, the mobile phone will request the unlock code, or will show Invalid SIM card.
When a S3850 Corby II do not allow send and receive calls could be because SIM lock is active and you need the unlocking code or need unlock by Device Unlock app, other reason is when the IMEI is in blacklist, in this case, if you unlock the device with unlock code, you must call to the network provider and solve this.
1. - Turn on the handset on with a SIM card not accepted by the device (your new network operator)
2. - If the card has a PIN number, enter it and press OK.
3. - The device will prompt: “Network lock”, Now enter the code and press OK.
4. - Your phone will indicate: "The operation was successful", becoming permanently unlocked.
Unfreeze code: If the code in step 3 does not work, type the secondary code and press Unlock, the phone will indicate Unlock fail, now dial the code again from step 3.
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