All users are advised to update WhatsApp, as older versions have a vulnerability that could see a single message wipe out your group chats …
Security researchers from Check Point found a serious security flaw in the iOS and Android apps.
The defect would have enabled a bad actor to deliver a destructive group chat message that produces a swift and complete crash of the entire application for all members of the group chat. The crash is so severe that users are forced to uninstall and reinstall the application, in order to gain proper use of WhatsApp. Furthermore, the user would be unable to return to the group chat, which would lead to the loss of all group chat history, indefinitely. The group chat would then not be able to be restored after the crash occurs and would need to be deleted in order to stop the crash-loop.
Carrying out the attack would be relatively simply. An attacker would use a web browser debugging tool to edit a message to any group chat. That message would cause the app to crash for all members, and it would continue to crash each time anyone tried to open it.
Because the only way to recover would be to delete the app and all its data, then reinstall from scratch, all chat history in the group would be lost for all members.
Check Point followed the usual responsible disclosure process, advising WhatsApp of the details, and waiting for the company to issue an update to fix it before going public.
That has now been done, and you can protect yourself and your groups from this by ensuring you update WhatsApp to the latest version. Open the App Store app, tap your profile photo top-right and scroll down to see whether any updates are available. If there are none, you can check it has already been updated by scrolling down to WhatsApp in Recent Updates and ensuring you are on version 2.19.120 or later.
Check Point previously discovered a method for someone to fake responses from you in quoted replies, as well as a way to fool you into confusing private a public messages. The latter issue has fixed, but the way end-to-end encryption works with WhatsApp means it wouldn’t be practical to fix the quote-spoofing, says the company.
WhatsApp owner Facebook recently sued an Israeli company for a hack which allowed various governments to spy on more than 1,000 users before the company fixed the vulnerability.
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Motorola moto Razr 2022 vs Samsung Galaxy Z Flip 4 – PhoneArena
and a lower price. Since Motorola said its 2022 foldable will also be released globally, the two clamshell phones to get this year are primed for a specs fight to help you decide.
Motorola Razr 2022 vs Samsung Galaxy Z Flip 4 design and display quality
When comparing the design of the Moto Razr 2022 with the other clamshell king with bendable screen that was announced in concurrence – the Z Flip 4 – we can’t help but notice the more utilitarian, business-like look of the Razr, against the fashionable Flip with its 75 Bespoke color combos. Heck, even the camera island is sticking out on the Motorola phone like on most of them “rigid” phones these days, indicating larger sensors may be in play here.
The front screen of the Moto Razr 2022 is much larger, too, at 2.7 inches against the 1.9-incher of the Galaxy, so you’d be able to see notifications and messages more clearly. At first brush, the Galaxy Z Flip 4 sports the same, and the same 1.9-inch 260 x 512 pixels external panel like its predecessor.
The 120 Hz adaptive refresh rate of the 6.7-inch FHD+ Dynamic AMOLED 2X internal Infinity Flex Display with 2640 x 1080 resolution and 22:9 aspect ratio is still no match for the 144Hz refresh of the Motorola Razr 2022, the highest on a foldable phone.
The fact that Motorola put one of the fastest displays on a phone out there in its clamshell foldable phone is pretty breathtaking, and the slightly lower vertical resolution means that the faster refresh shouldn’t take a much higher toll on the battery compared to the 120Hz rate of the Z Flip 4.
Samsung’s 2022 clamshell foldable has a Bespoke edition, too, which introduces a number of new color combos for the front and back in Yellow, White, Navy, Khaki, Red, as well as for the frame which can be either Silver, or painted in Black or Gold hues.
Motorola Razr 2022 vs Samsung Galaxy Z Flip 4 performance
Coming with the newest Qualcomm Snapdragon 8+ Gen 1 chipset, both the Galaxy Z Flip 4 and the Motorola Razr 2022 carry the fastest processor for Android phones at the moment, and the slightly lower pixel density of the Motorola phone means its performance would surpass that of Samsung’s phone. Provided the display is not running at its maximum 144Hz refresh rate, that is.
The 8GB RAM that come in all Galaxy Z Flip 4 versions, including the top 512GB storage one, is augmented by 50% more RAM in the Moto Razr 2022 for its 12GB/512GB model, making it the most powerful foldable phone ever created when we count the Snapdragon 8+ Gen 1 processor and the 1080p display resolution it has to render.
Motorola Razr 2022 vs Samsung Galaxy Z Flip 4 specs comparison
Motorola Razr 2022 vs Samsung Galaxy Z Flip 4 camera
Besides the most processing and memory power on a foldable phone, Motorola equipped the Razr 2022 with a 50MP main camera sensor and a 13MP ultrawide/macro camera, which is again the most powerful camera set you’d find on a clamshell with a bendy screen.
At a 12MP main wide-angle camera with Samsung’s Dual Pixel autofocus technology and optical image stabilization, as well as an aging 12MP ultrawide cam, the Z Flip 4 is no match, save for the large 1.8 micron pixel size that helps in low-light situations. The 10MP selfie snapper does a good jon as you can see in the camera samples below, but the 32MP front camera of the Razr could churn out more details.
The Motorola Razr 2022 doesn’t carry the new Camcorder mode of the Z Flip 4 that lets you use the phone as, well, a camcorder of yesteryear by bending it 90 degrees and holding the lower part in your palm, while recording and previewing with the upper. Something tells us that you can do just as good on the Razr by holding it in a similar fashion yet using the whole display as a viewfinder instead of its half only.
The Galaxy Z Flip 4’s Camcorder mode
Motorola Razr 2022 vs Samsung Galaxy Z Flip 4 battery life and charging speed
The most important upgrade of the Galaxy Z Flip 4 over the Z Flip 3 is its larger 3700 mAh battery, but the Razr 2022 is not far behind with a 3500 mAh unit. Moreover, Motorola offers faster, 33W charging speeds for the pack, against the 25W charging of the Z Flip 4.
Samsung promises “up to 50% charge in around 30 mins with 25W adapter” but you could expect even shorter charging times with the Motorola Moto Razr 2022. Since its battery has to power and chipset to render less pixels than on the Z Flip 4, any battery life advantages of the Samsung phone stemming from the slightly larger battery capacity would become moot.
Motorola Razr 2022 or Galaxy Z Flip 4, which one to buy?
Barring any unforeseen hardware performance challenges, you’d be better off buying Motorola’s clamshell, rather than the Z Flip 4. It offers more for the same $999.99 base price of the Z Flip 4. Well, now the Razr 2022 price is slightly lower than that of the Z Flip 4, but when it gets released globally, it might get an upward adjustment.
Xiaomi clones the Galaxy Fold, makes it 40% thinner, adds a bigger battery – Ars Technica
If you’re disappointed by Samsung’s relatively slow progress on foldables, say hello to the Xiaomi Mix Fold 2, which looks significantly more advanced than what we saw in this week’s announcement from Samsung. But it’s for China only, of course. Sorry.
The Mix Fold 2 closely follows the layout of the Galaxy Z Fold 4—it’s a book-style foldable that has a phone-like front screen and a tablet-like flexible inner screen. The kicker is that the device is 40 percent thinner when folded up. We’re usually not on board with the smartphone thinness craze, but the thickness of foldables is a major concern. The 16-mm-thick Galaxy Z Fold really fills out your pocket compared to a normal smartphone, so Xiaomi is making progress here.
The Mix Fold 2 is just 11.2 mm thick when folded up, with each half measuring only 5.4 mm. Xiaomi’s phone is dramatically thinner than Samsung’s, and Xiaomi also manages to fit in a slightly bigger 4500 mAh battery (Samsung’s is 4400 mAh). The trick here—aside from Samsung not changing the Fold’s thickness or battery capacity for four years now—is that the Xiaomi foldable is a bit bigger than Samsung’s. When folded up, the Z Fold 4 is 155.1 mm x 67.1 mm x 15.8 mm, while Xiaomi’s device is at 161.6 mm x 73.9 mm x 11.2 mm. That 161.6 mm x 73.9 mm measurement is still smaller than a top-end smartphone, with an S22 Ultra measuring 163.3 mm x 77.9 mm x 8.9 mm.
On the front, you get a 120 Hz, 6.56-inch, 2520×1080 OLED display, while the inner foldable display is a 120 Hz, 8.02-inch, 2160×1914 OLED. Both screens are direct from Samsung Display, and the flexible display is made of the “Flexible Ultra Thin Glass” that Samsung pioneered. Flexible glass provides some rigidity to the otherwise squishy plastic display. The outer layer should still be plastic that you can dent with a fingernail, though.
For specs, you’ve got a pretty normal high-end loadout: a Snapdragon 8+ Gen 1, 12GB of RAM, and generous tiers of storage at 256GB, 512GB, and 1TB. The cameras start with a 1/1.56-inch 50 MP Sony IMX 766, then there’s a 13 MP ultrawide, an 8 MP 2x telephoto, and a 20 MP front camera. The 4500 mAh battery supports 67 W charging.
Starting at RMB 8,999, or about $1,335, Xiaomi’s bigger, better foldable is also cheaper than Samsung’s. The phone goes on sale in China on August 16.
Listing image by Xiaomi
Unboxing the Galaxy Z Flip 4 in Bora Purple – MobileSyrup
Samsung’s latest folding smartphones have finally arrived.
We’ve started our review process, but to tide you over until they’re published, here’s a closer look at the Galaxy Z Flip 4. For more on Samsung’s latest clamshell foldable, check out our hands-on with the smartphone here.
If you want to see what Galaxy Z Fold 4 looks like instead, you can find our unboxing of the smartphone here.
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