The following options are available for unlocking Samsung Galaxy A21s/SM-A217F. Please get in touch with us if you’re unsure about which option to use to unlock your phone. We’ll assist you in making the best product selection for your phone.
But first, here is a full video guide on how to unlock Samsung A21s/SM-A217F for free without PC:
You need an NCK (network code) to remove the network lock on the Samsung Galaxy A21s/SM-A217F. You will also require MCK (unfreeze) code to reset the code counter if it is blocked.
If the Samsung Galaxy A21s/SM-A217F is blocked from using a certain subnetwork, such as Virgin or Tesco, you must provide an SPCK (service provider) code.
The majority of contract-purchased gadgets from a network provider are network-blocked.
The Samsung Galaxy A21s/SM-A217F can only receive signal from one network, therefore this means the device will either prompt you for an unlock code or display a warning informing you that the selected sim card is incompatible if you insert one from a different network.
There are numerous networks that can be unlocked, including AT&T USA, Orange, and EE.
How to unlock a Samsung Galaxy A21s from a network:
On a Samsung Galaxy A21s/SM-A217F, entering the unlock code is pretty easy.
1. Switch on the Samsung Galaxy A21s/SM-A217F while using an unusable SIM card (unaccepted means different than the one in which the device works).
2. A special unlock window should appear; enter the codes in the following order: Unfreeze confirm, NCK confirm, for the message Sim network unlock pin (please try a couple of times if the Galaxy A21s/SM-A217F does not accept it for the first time).
Additionally, a unique RGCK (regional lock code) code may occasionally be offered. Use the RGCK code in the same manner as you would the NCK code.
– Enter the codes in this order, then unfreeze if the Service Provider Pin appears.
– Enter the codes in this order if the Service Provider Pin appears. SPCK and unfreeze confirmation (try a couple of times)
3. The Samsung Galaxy A21s/SM-A217F is now network-free!