The best way to unlock your iPhone

GeekCa-Tech USIM gives you the perfect unlock experience, It is compatible all iphones and all iOS unlock


Easy and Cheap

GeekCa USIM supports firmware upgrades, a purchase card affixed to unlock a variety of versions of the iPhone

Setup videos

APN & MMS Settings Sample

Supported Carrier Network


1. If you cannot unlock the phone when you receive this product. Do not worry. Maybe the ICCID Code has expired during shipping.

Visit our website to check the new ICCID Code for unlocking purposes. Or send a message to our customer service to request a new ICCID Code.

2. I have a iPhone 6s can I use it with the carrier Sprint?


3.Can I give somebody my phone and still keep it unlocked?

No. You will lose the current unlock service.

After you got perfect unlocked. Don’t change your mobile sim or Reset your iPhone or update iOS by iTunes computer so that you can stay perfectly unlocked all the time.

4. Can I upgrade my phone after the phone is unlocked?

Yes. But only OTA upgrades are available.

5. Can I reset the phone after unlocked?

No. You will lose the current unlock service.

6. I am using a MetroPCS sim card, bypass the activation but no service?

Metro PCS Users Need to Call the Customer Service line 888-863-8768 to talk to someone. Update the new iphone IMEI Number.

7. Why I can’t send a picture message?

You need to set up the APN on your phone. APN setting parameters require you to find your carrier from Google.

8. Can I use the chips for an android?

No.Don’t do it.

10. I forget the Icloud password. Can I use the chips to remove the Icloud lock?

No. It doesn’t work on.

11.The SIM card I received from you works but it’s very slow. It doesn’t reach 4G. Only 3G. And it’s not my company or the phone because the phone is brand new, just taken out of the box.

Please going to settings-cellular-cellular data options- voice &data -select LTE. Tune on the LTE network should be good