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iToolab Knowledge Base

We are constantly updating our knowledge base with topics about how-to tutorials, ultimate guides, troubleshooting, and news about iPhone, iPad, and iPod touch.
How to Remove SIM Lock from Any iPhone

Mobile phones continue to depend on SIM cards to call by phone or connect to the Internet. We use different security mechanisms to protect our phones but later forgetting the passwords and PINS we used, leading to the lock of the SIM card. Also, iPhones have a very strict process for SIM carriers blocking any … read more

Dave Patterson

2021-07-20

What Happens If I Reset My iPhone 13/12/11/XR

The Apple iPhone is known for its instinctive and clever interface which makes managing complex operations on your phone much easier than most other devices. That’s why there are more and more iOS users in the world. However, if you want to give your iPhone to your family or have some system issues need to … read more

Liam Alexander

2021-07-19

All Things You Must Know about Turbo SIM for iPhone

What’s Turbo SIM? The Turbo Sim is an unlock chip that is used to circumvent the factory unlock on iPhone. It is a small SIM card that sits between the phone and a regular SIM card. Turbo sim is programmable, sometimes they work quite well, but sometimes they fail. It is a method of “unlocking” … read more

Dave Patterson

2021-07-19

[Review] Doctorsim Unlock Service: Scam or Really Work?

DoctorSIM was founded in 2007 with the vision of bringing clarity and transparency to the tangled and chaotic world of global mobile telephony. The brand’s objective is to offer all kinds of telephony and savings services with a modern and advanced technological service. But when you deal with an online site and make payments beforehand, … read more

Dave Patterson

2021-07-19