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Sprint device unlock application zte flash android#
The ZTE Avid 4 also has a clean and spacious dock that gives you the basic apps and features like most Android devices.
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Unlike most mid-range phones, this ZTE Avid 4 doesn’t have any fingerprint sensors for security so you’ll have to stick with the basic password or pin to lock your phone. On the other hand, if you are fan of headsets, this phone will not disappoint you because it has a 3.5mm headphone jack sitting at the top. The biggest caveat on this specific model is that it comes only in one color – BLACK. It is 4G LTE enabled which runs perfectly on the fast MetroPCS network. It does look like a mini ZTE Blade Z Max, standing at 6”, which you can get at a meager *$99 (after all discount and rebate offers). ZTE Avid 4 isn’t a show-stopper type because it doesn’t have a glossy glass front and back cover, but what it boasts instead is a big 5” screen with an FWVGA display. You’ll be amazed how far your one hundred bucks is going to get you, but for now, let’s take a look at what ZTE Avid 4 has got to offer by comparing it to other phones in the budget phone department.ġ6MP+ 2MP dual rear cameras and 8MP front cameraġ3MP rear autofocus w/ LED flash camera and 5MP wide-angle LED flashĨMP autofocus main camera+2MP front cameraĥMP autofocus rear camera + 2MP front camera If this phone doesn’t convince you enough or if you are looking for more options you can take a look at these MetroPCS Phones of 2017 Under $100USD. The phone comes at a bargain price of $39USD (*after all discount and rebates) without contract and you can easily pick one from any MetroPCS stores near you. ZTE Avid 4 is out in MetroPCS and just like its brothers in the ZTE family, it is mid-ranged price and a perfect budget phone for anyone who wants value for money more than fancy brands or flagships. If you still haven’t gotten yourself a new phone or if you are looking for a cheap steal, then MetroPCS has got something for you. The only catch is that the method won’t work on ZTE phones that launched with Android 8.0 Oreo or newer, and it also won’t work on flagship devices like the Axon 9 Pro, Axon 10 Pro, Axon M, etc.Unlocking ZTE Avid 4: MetroPCS New Year Steal To Never Miss Android, IMEI Unlock, MetroPCS, Unlock Phone, ZTE
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Unlike Xiaomi and some other OEMs, ZTE doesn’t even put a safeguard before the EDL mode against such ‘attacks’, thus you can easily trigger the device to boot to emergency download mode via a simple ADB command. As the Firehose protocol has a provision of reading the contents of individual partitions, one can dump the ‘devinfo’ partition from a bootloader-locked device, change the offset where the unlocking parameters are stored, and write the modified image back to the device to unlock the bootloader.
ZTE apparently uses the ‘devinfo’ partition to store crucial bootloader state parameters, including the lock/unlock status.
Based on this principle as well as the previous research work done by the Aleph Security team, XDA Senior Member alexenferman has now discovered a generic method to unlock the bootloader of a bunch of ZTE phones without any data loss. Interestingly, EDL is often utilized by tinkerers to get low-level partition access, which can further be exploited to achieve bootloader unlock on some devices.
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The latter is strictly intended for OEM servicing and can be used to ‘unbrick’ a device with appropriate software binaries via a protocol named ‘Firehose’. The regular boot sequence of a typical Qualcomm Snapdragon chipset-powered Android device is initiated with the Primary Boot loader (PBL), although there exists an alternative boot mode called Emergency Down load Mode (EDL).
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