Stephan Popov
Stephan Popov is a certified mobile security engineer and the founder of UnlockBoot.com, with over 15 years of experience specializing in iOS software recovery and device unlocking. He provides actionable fixes for common iOS bugs and tools that improve user experience. Stephan conducts in-depth research for every topic covered on this blog to ensure comprehensive, reliable troubleshooting information for Apple and Android users. He holds professional certifications in mobile device repair and security protocols.
Connect with Stephan on LinkedIn, X, and Facebook.
How to to Free Up Disk Space on Mac
Your Disk is Almost Full? You wanted to save something but can’t decide what to delete instead because your disk is about to be...
Unlock Fido Canada iPhone 7/8/X/6S/6/SE/5/5C/5S/4S/4
Hello Dear Readers, we've been a bit busy since finding out the most reliable unlock provider for all iPhone models. As you may know...
How to Fix iTunes Error 21 When Restoring iPhone or iPad
Are you getting the unknown iTunes error 21 message when you try to restore or update your iPhone? iPhone errors are pretty common –...
How To Fix Unresponsive iPhone 6 Plus / 6 Touch Screen
There’s no doubt that the iPhone 6 and 6 Plus have received a lot of success. According to a report released by Apple, the...
10 Best Ring Holder Cases for iPhone 8 Plus
These days many iPhone users prefer ring cases over traditional ones. The main reason for that is the ring case offers better grip to...
GBA4iOS Not Working? Here’s a Working Way to Install it Without Jailbreak
GBA4iOS not working on your iPhone or iPad running iOS 10 or iOS 11? In this guide, I will tell you how you can...
How to Enable iCloud Music Library in iTunes on Mac or PC
iOS users usually rely on iTunes to manage their music library. Well, that’s great as the app is specifically developed for Apple device and...
8 Best AccuWeather Alternatives for iPhone and iPad
Weather apps like AccuWeather have recently become very popular for their accurate weather reporting as well as an easy-to-use interface. However, there are rumors...
How to Download Twitter Videos On iPhone or iPad
Do you want to download Twitter videos on iPhone without relying on an app? iPhone users increasingly use social networks and Twitter is one...
Factory Unlock iPhone 4, 4S, 5, 5C, 5S, 6, 6S & 7 By IMEI
Dear UnlockBoot readers, you might know that we have been posting about factory unlock services for a while. Well, we have tested one here...
Fix Unable to Verify Update Error on iPhone in iOS 10/iOS 11
Although Apple makes great hardware, they in fact identify themselves as a software company. Apple’s hardware are complemented by their smooth and fluid software...
5 Best Battery Cases for iPhone 8: Shopper’s Guide
Regardless of the 1,821 battery life in the new iPhone 8, you can run out of juice eventually and since carrying a charger with...
How to Backup iPhone to External Hard Drive on Mac
Users of iPhones or iPads with larger storage capabilities often find backing up locally to be difficult. An easy solution is to backup an...
Facebook Messenger Crashing on iPhone and iPad? Here Are 6 Fixes
Many users, when opening the Facebook app on their iPhone experience an immediate shutdown. Or several times the app crashes in the midst of...
Downgrade iOS 11 to iOS 10.3.3 on iPhone or iPad
Apple’s Worldwide Developers’ Conference (WWDC) was just held, and Tim Cook’s team has unveiled a lot of new Apple products and services. Apart from...
How to Uninstall / Remove MacKeeper from Mac OS X
Macintosh installers might have installed MacKeeper at any stage of using their MacBook computers. Mac users know how easy removing an application from Mac...
Fix ‘This Message Has Not Been Downloaded From The Server’ iPhone Error
Users of the email app on iOS device like iPhone and iPad often face the above mentioned error message. While the problem might look...
Simple Way to Disable Raise to Wake on iPhone in iOS 10/iOS 11
A default ‘Raise to Wake’ feature is present in the newer models of all iPhones. These models include the iPhone 7/7 Plus, iPhone 6s/6s...
Your iPhone Overheating When Charging? Here are 5 Ways to Fix
Users of iPhone 6, 6s, 5, 5c, SE, 5s, 4s or 4 have different experiences, like other smartphone users. While the phone works perfectly...
Download iNDS Emulator for iPhone On iOS 11 – 10
In the popularity ranking of gaming console emulators, the Nintendo DS emulators dominate the web in higher numbers and a lot of different developers...
