Recent Sony Xperia models such as the Sony Xperia Z3+, Sony Xperia Z4 Tablet, Sony Xperia C4 and the Sony Xperia M4 Aqua offer extra security through My Xperia Theft Protection. The latter prevents someone with a stolen Xperia model from wiping the device and installing a custom ROM without knowing the owner's Google sign-in details.
MXTP is designed to prevent the bootloader on an Xperia device from getting unlocked. If My Xperia Theft Protection is enabled, the consumer will not be given the opportunity to unlock the bootloader, even if the phone or tablet comes out of the box with that option.
A major problem is taking place with Xperia models that already have the bootloader unlocked when MXTP is enabled. Since the unlocking has already taken place, the security feature is trying to shut the barn door after the horse has bolted. And in the process of trying to prevent something that has already occurred, the phone becomes damaged permanently.
Sony has changed some of the wording on its Unlock Bootloader site regarding the use of MXTP. Under the section titled Risks, Sony reminds device owners not to enable MXTP after unlocking their device. The manufacturer also reminds users to turn off MXTP before unlocking the bootloader on their phone or tablet.
Recommended For You
Right now, there are no custom ROMs available for the Sony Xperia Z3+, Sony Xperia Z4 Tablet, Sony Xperia C4 and the Sony Xperia M4 Aqua, which eliminates the need for consumers to unlock the bootloaders on these models. Additionally, Sony doesn't allow consumers to unlock the bootloaders on these devices for the time being, anyway. That might change though, once the MXTP is fixed.
Sony changes the wording on its Unlock Bootloader website to reflect the risks of using MXTP
Our new coffee table book, Iconic Phones, is a stunning visual tribute to the legends in the world of phones, featuring exclusive high-resolution photography, stories, quotes and fun trivia. Save 10% by using this code at checkout: XMAS10. Offer lasts until 1 January 2026.
Alan, an ardent smartphone enthusiast and a veteran writer at PhoneArena since 2009, has witnessed and chronicled the transformative years of mobile technology. Owning iconic phones from the original iPhone to the iPhone 15 Pro Max, he has seen smartphones evolve into a global phenomenon. Beyond smartphones, Alan has covered the emergence of tablets, smartwatches, and smart speakers.
A discussion is a place, where people can voice their opinion, no matter if it
is positive, neutral or negative. However, when posting, one must stay true to the topic, and not just share some
random thoughts, which are not directly related to the matter.
Things that are NOT allowed:
Off-topic talk - you must stick to the subject of discussion
Offensive, hate speech - if you want to say something, say it politely
Spam/Advertisements - these posts are deleted
Multiple accounts - one person can have only one account
Impersonations and offensive nicknames - these accounts get banned
To help keep our community safe and free from spam, we apply temporary limits to newly created accounts:
New accounts created within the last 24 hours may experience restrictions on how frequently they can
post or comment.
These limits are in place as a precaution and will automatically lift.
Moderation is done by humans. We try to be as objective as possible and moderate with zero bias. If you think a
post should be moderated - please, report it.
Have a question about the rules or why you have been moderated/limited/banned? Please,
contact us.
FCC OKs Cingular\'s purchase of AT&T Wireless
Things that are NOT allowed:
To help keep our community safe and free from spam, we apply temporary limits to newly created accounts: