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.
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SquareTrade Providing Warranty For Your Jailbroken iPhone 4 / 4S
An iPhone without Jailbreak is like a baby without mother. Jailbreaking is not illegal although it voids the warranty.
If instructions of jailbreaking are not...
AT&T Stops iPhone Unlocking Without Valid Account and Cellular Number
SAM unlock solution made users happy only for a few days. Then suddenly, Apple patched the ICCID exploits and the unlocking window ended in...
SAM Unlock Activation Tickets and Possibilities to Edit Your SAM Ticket
Recently, many lucky people were able to unlock their iPhones via SAM unlock method.
Apple's unlock activation ticket played a great role in making the...
iOS 5.1 Untethered Jailbreak for iPhone 4 / 4S — New Updates [Pod2g]
Many of us are excited about the latest iOS 5.1 Untethered jailbreak updates from the dev team.
The latest iOS 5.1 firmware can be jailbroken...
Unlocking Life And Unlock Possibilities After The Death Of SAM Tool
All of us were happy a few weeks ago when the short-lived SAM unlock solution was released. But suddenly, the black unlocking days started...
Cookie: Restore and Backup SAM Unlock Ticket Right From Your iPhone
Previously we have shown you how you can manually Back-Up SAM unlock activation tickets with the latest version of Redsn0w.
Today, thanks to a new...
GEVEY Ultra 5.1 no Longer Works — Copied SAM Unlock Method!
ApplenBerry kept silent on Gevey SIM to unlock iPhone 4 baseband 4.11.08 / 4.12.01 for such a long time.
However, right after the release of...
How to Restore SAM Unlock Activation Ticket to Unlock your iPhone 4 / 4S
We announced previously that Apple has started fixing ICCID vulnerability which will Block SAM Unlock Tool.
This isn't good news for all users based on the...
Apple Patching ICCID Vulnerability to Block SAM iPhone Unlock Tool
Popular iPhone Dev Team member known as @Musclenerd has confirmed that Apple technical engineers are patching ICCID Vulnerability to block SAM Unlock Activation.
A huge...
How to Use R-Sim IV Card to Unlock iPhone 4 [Guide]
A few days ago the R-sim Dev Team has developed a new unlock solution. The news R-Sim 4 Card to unlock iPhone 4 4.11.08 and...
How to Reliably Unlock iPhone 4 / 4S Using the updated SAM Tool [VIDEO]
In the event you haven't had success unlocking your iPhone 4 / 4S using the SAM unlock, this can be of great interest for...
Interview with Loktar_Sun – Hacker who has Developed SAM Method
Many of the users stuck on iPhone 4 baseband 4.11.08 were able to get their iPhones unlocked through the SAM Unlocking Solution released by...
How to Fix Push Notifications Isn’t Working After SAM Unlock
Many UnlockBoot readers today have reported the inability to receive push notifications after unlocking their iPhone when using the SAM unlock solution. The Push...
R-SIM 4 Released To Unlock Baseband 4.11.08 & 4.12.01
Few weeks ago R-SIM pointed out that they were working on hardware unlocking solution for iPhone 4 baseband 4.11.08 and what happens?
Their team finally...
Proof: iPhone 4 Baseband 4.11.08 Unlocked With SAM [IMAGES]
Now all UnlockBoot readers are pleased after announce that the hacker loktar_Sun has finally unlocked iPhone 4 Baseband 4.11.08 and now weare also happy...
Review Of SAM Unlock Solution For iPhone 4 Baseband 4.11.08
Yesterday was a remarkable day in the unlock world as the infamous baseband 4.11.08 was unlocked by Loktar_Sun, the Chinese hacker.
We covered on how...
How to Backup your Unlock Activation Ticket with RedSn0w [VIDEO]
Saving your iPhone's unlock activation ticket would be a step suggested by MuscleNerd. Thankfully for all of us, the iPhone Dev team has created...
Baseband 4.11.08 Has Been Unlocked – Unlock 4.11.08 Now [Sam Guide]
We are happy to announce that a Chinese hacker known as loktar_Sun has finally managed to give us all the iPhone 4 baseband 4.11.08 unlock and...
Unlock 4.11.08 / 4.12.01 Baseband With Gevey Ultra SIM
We can't tell you how happy we are as the news we have been receiving this day is awesome. We have new gevey sim...
Is this Android Device Real Competitor of iPhone 4S ?
The main competitor of iPhone 4S and at the same time the most expected Android device is shown on video.
Vietnamese site Tinhte posted a...
