Most recent Sony Xperia phones have a hidden 120Hz display mode that you can't use

Most recent Sony Xperia phones have a hidden 120Hz display mode that you can't use
The 2017 Sony Xperia XZ Premium wasn't a huge success for Sony sales-wise, but it had a real stand-out feature in the form of a beautiful, HDR-enabled 4K display. Shortly after the XZ Premium hit store shelves, rumors began to trickle that the phone's display also has a high frame rate mode of 120Hz, much like the Razer Phone, which launched later in the year. Reports were contradictory, however, as enabling the 120Hz mode allegedly required making modifications to the kernel of the phone, so not many people, outside of developers and enthusiasts, were able to test it and confirm or deny the rumors.

Recently, a number of users over at XDA and Reddit have been toying around with the hidden mode, which has been locked by Sony, but is accessible through a kernel modification. So, it turns out, the Xperia XZ Premium actually supports three display modes: the standard 1080p@60fps, 2160p@60fps, as well as the hidden 1080p@120fps mode.

With the release of Android Oreo for the XZ premium, and thanks to Sony's Open Device program, developers have been able to build ROMs for the device that unlock the hidden 120Hz screen mode, but results have been inconsistent. Rreports from people who've tested AOSP builds with the mode enabled are contradictory. Some say there's an obvious difference, while others claim it's just placebo. We don't know what the problem is yet, but Sony must have had a good reason to disable the mode to begin with.

What's more interesting, however, is that after some digging, XDA developer Myself5 has discovered that the 120Hz screen mode is also present on a bunch of other recent Sony phones, but is disabled and hidden by default, just like on the Xperia XZ Premium. The models that have been confirmed to support the high refresh rate mode are: Sony Xperia X, Sony Xperia X Performance, Sony Xperia XZ, Sony Xperia XZ1, Sony Xperia XZ1 Compact, Sony Xperia XA2, and Sony Xperia XA2 Ultra. The only recent Xperia phone that is an exception is the Xperia X Compact, XDA reports.

Unfortunately, however, AOSP ROMs compiled for the aforementioned devices can't use the 120Hz mode, as the toggle to enable the 1080p@120fps mode doesn't work. This is not to say that the screens on these devices do not support higher frame rates though, since developer Myself5 has discovered that actually setting the kernel to default to the 120Hz mode does, indeed, work.

source: XDA

Related phones

Xperia XZ Premium
  • Display 5.5" 2160 x 3840 pixels
  • Camera 19 MP / 13 MP front
  • Processor Qualcomm Snapdragon 835, Octa-core, 2450 MHz
  • Storage 64 GB + microSDXC
  • Battery 3230 mAh(24.7h 3G talk time)



1. Sunbae-min

Posts: 135; Member since: Mar 25, 2018

I won't be fool enough to believe this rumor which is hyped by Sony. If it's really capable of 120H it will advertise it like no tomorrow even with half-baked finish. We all know Sony fanboys are hardcore and will spend every penny to glorify their beloved company you might as well get slapped if you dare to criticize their phone in in front of them. So this rumor surely has no ground.

2. mimicryXD

Posts: 175; Member since: Apr 03, 2015

actually this is hidden and sony dont make any announcement to it.. you only fooling yourself bcos this was not hype of sony to begin but the xda developers who dig it in that phone and found out it can deliver at 1080p@120fps.. is just hard to understand?

3. Humanoid

Posts: 1226; Member since: Dec 11, 2017

Poor S9 has just 60Hz. Rumors say LG will be shipping WRGB 120 Hz oled this year. For Google and Sony. While Sammy still stuck with pentile 60Hz.

7. Ciro1900

Posts: 591; Member since: Dec 17, 2017

Yes xamfung use obsolets display 8 bits poor in subpixels

26. deleon629

Posts: 469; Member since: Oct 04, 2014

The poor s9 will most likely have better customer service support & other add-ins to keep your business...

5. Nimbus

Posts: 442; Member since: Apr 02, 2018

U r also just the same as those sony hardcore fanboys but in samsung style,way against your beloved company samsung & Lg to spend every penny to glorify them even for the rehash rebranded S9 dual model.At least sony is still doing better than LG and close to samsung in all of their products line from low to highend phones except of galaxy note device.I bet if Samsung give u a no headphone jack phones in their note,S model u will buy it eventually with ur biasesness toward them.U better learn to appreciate other choices in smartphones not all are like u to stick to Samsung,Lg only just because they r a popular korean company for u.Atleast sony did put 120hz display unofficially before razor or after than Samsung, lg would have done this secrectly after razor phone annoucement last year.

10. Humanoid

Posts: 1226; Member since: Dec 11, 2017

He just hates Japan because things from 100, 200 years ago. He even beleives Korea has more tech, when just LG and Samsung are known everywhere. While many companies from Japan are known worldwide.

25. AliBashir

Posts: 55; Member since: Jun 18, 2017

Dude, you are talking facts, so many Koreans on the internet like this.

27. deleon629

Posts: 469; Member since: Oct 04, 2014

But Korea did just take the crown for best display amongst ALL devices for two years straight. Multi-billions from components for iPhones aside, doesn't that count for something, at least? lol Gotta give respect respect where it's due, and Sammy is far from a 'mom & pop,' guys..

8. Nimbus

Posts: 442; Member since: Apr 02, 2018

Good boy sony even for putting it 120Hz display in midrange phones xa2,xa2 plus but make it now official support,Its a essential feature for consumers not a gimmick.Sony still sometimes ahead of lg n Samsung back & forth but they need to add other features too like tap to unlock and raise to unlock like in iphone 7/8,lg v30,G6,v20,G5 phone with the lcd panels.

19. fyah_king unregistered

After playing with the iPad Pro and razer phone with 120hz display. I wish more companies would implement this in their phones or tablets. The only phone that comes close to the smoothness of the iPad Pro or razer phone is my pixel 2 xl.

21. acme64

Posts: 128; Member since: Jul 13, 2015

the only thing 120hz is good for is VR imo. but my guess is they are just testing technologies and it was cheaper to build the panels with the support than without

22. xperian

Posts: 420; Member since: Apr 10, 2014

120Hz makes a huge difference. After trying the iPad pro, i wish apple (and others) would bring this to phones.

23. fyah_king unregistered

Razer phone!!!

24. gamehead unregistered

Thats disappointing

28. aBoss

Posts: 164; Member since: Sep 15, 2014

AWESOME :O I hope the new XZ Premium 2 has the same 4k HDR Display but with 120hz, That will be game-changing for VR Sony is the best innovator. Note 9 is close as it also includes a pen, but I doubt it will have the same display or 1080p 960fps slow motion.

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