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The LG K7 is your standard entry-level carrier phone. Available on T-Mobile for $139.99, it offers decent performance, good network connectivity, and a fairly attractive, sturdy design. But the handset also illustrates the leaps and bounds unlocked phones have made over the last year in relation to carrier offerings. Both the Motorola Moto G4 Play and the Blu R1 HD get you better hardware and more up-to-date Android software for nearly the same price (or lower). And both phones work on T-Mobile, so there's little reason to pick the K7 instead.
Design, Features, and DisplayThe LG K7 is a fairly standard black polycarbonate slab, but it bucks expectations by adding some curves. The front is covered in a layer of glass that bends gently to meet the sides, while the back cover is made of grippy plastic. It feels sturdy, and has a nicer look and feel than the ZTE Avid Plus.
The compact K7 measures 5.7 by 2.9 by 0.4 inches (HWD) and weighs 4.9 ounces, which is roughly the same size and weight as the G4 Play (5.7 by 2.8 by 0.4 inches, 4.8 ounces) and the R1 HD (5.6 by 2.8 by 0.3 inches, 5.0 ounces). It's nearly an ounce lighter than the Avid Plus, despite both phones having the same overall dimensions. You'll have no trouble using the K7 with one hand.
The handset has LG's signature rear power button, with a pair of volume buttons above and below. Peeling the back cover off gives you access to a removable battery, a SIM card slot, and a microSD card slot that worked fine with a 256GB Samsung Evo+ card. The bottom has a micro USB charging port and a 3.5mm audio jack for headphones.
A 5-inch, 854-by-480 IPS LCD used to be for entry-level phones a couple of years ago, but now it just looks dated. Working out to a paltry 196 pixels per inch (ppi), the display isn't nearly as sharp at the 720p panels on the R1 HD and the G4 Play (both 294ppi). Some pixelation is noticeable upon close inspection, though colors are accurate and viewing angles are good. Outdoor use isn't so great, as the display doesn't get very bright and tends to be a bit reflective, making it difficult to see in direct sunlight.
Network Performance and ConnectivityThe K7 operates on T-Mobile's GSM network and supports LTE bands 2, 4, and 12, offering the same connectivity as the Avid Plus. You'll find a more comprehensive set of bands on the G4 Play, which is compatible with every major US carrier, including Sprint and Verizon. That said, network performance on the K7 was solid in testing. The phone showed download speeds up to 19Mbps in midtown Manhattan. It supports Wi-Fi connectivity on the 2.4GHz band.
Voice calls are also good. Transmissions are clear and noise cancellation is solid, making it easy to carry on a conversation in a noisy environment. Voices can have a somewhat raspy, robotic quality to them, but it doesn't impact overall clarity.
Processor, Battery, and CameraThe K7's Qualcomm Snapdragon 210 processor is another piece of hardware that used to be standard for entry-level phones a while back, but just feels dated next to the current crop of unlocked handsets. Despite an undemanding display, the K7 scored a low 15,375 on the AnTuTu benchmark, which tests overall system performance. That's less than the Avid Plus (20,252), which has the same hardware. And it's about half as much as the Snapdragon 410-powered G4 Play (28,647) and the MediaTek 6735-powered R1 HD (31,847). The K7 was unable to complete GFXBench, which tests graphics performance.
However, if you're just looking for standard functionality, the K7 can handle apps like Camera, Chrome, Gmail, Maps, Messages, and YouTube without much difficulty. It has 1.5GB of RAM, which allows for a light degree of multitasking, but trying to do too much will cause slowdowns and force background apps to close. High-end games aren't playable, but simple ones like Angry Birds run fine.
Battery life is decent. The phone clocked 5 hours and 57 minutes when we set screen brightness to maximum and streamed full-screen video over LTE. That's exactly the same amount of runtime as the R1 HD, but nearly two hours less than the G4 Play's impressive 7 hours and 50 minutes. You should still get a day's worth of average use out of the K7, and the battery is removable so you can carry a spare and swap it out as needed.
The K7 has matching 5-megapixel camera sensors on the front and back that are surprisingly divergent in image quality. The rear-facing sensor takes muddy pictures, even in well-lit outdoor settings. Autoexposure is particularly poor, as several pictures I took of a sunny street looked shadowed in darkness. Indoors, blur and grain predominate and the camera is often unable to find focus. You can record 720p video at 30fps, but it suffers from the same issues.
The 5-megapixel front-facing camera is another story. Pictures I took outside were clear, and autoexposure had no difficulty. Overall, the K7's rear camera is worse than the R1 HD, the G4 Play, and the Avid Plus, but its front-facing sensor matches or surpasses the lot of them.
SoftwareThe K7 ships running the outdated Android 5.1.1 Lollipop. We don't expect it to get an updates to Android 6.0 Marshmallow, let alone Android 7.0 Nougat. There's a heavy custom UI layer running on top with changes to app icons, the Settings menu, and the lock screen.
There isn't much in the way of features, though, because there isn't a lot of room to put them. The phone only comes with 8GB of storage, and leaves just half (3.94GB) for your own use. The paucity of storage isn't helped by the presence of bloatware. There are nine T-Mobile apps, one Amazon app, and an LG app pre-installed. Only the LG app can be removed; the rest can only be disabled.
ConclusionsThe LG K7 feels solid, offers good network connectivity, and can run most basic apps for $140. That might have been good enough a couple of years ago, but it's lacking in many departments compared with a lot of the affordable unlocked phones available today. For just $10 more, the Moto G4 Play gets you a 720p display, a solid camera, excellent battery life, and compatibility with every US carrier. For $90 less, the Blu R1 HD also has a 720p display and much better performance, making it our Editors' Choice for affordable phones. Either is a better option for T-Mobile customers.
Ajay Kumar is PCMag's Analyst obsessed with all things mobile. Ajay reviews phones, tablets, accessories, and just about any other gadget that can be carried around with you. In his spare time he games on the rig he built himself, collects Nintendo amiibos, and tries his hand at publishing a novel. Follow Ajay on Twitter @Ajay_H_Kumar.
Test the charger by plugging it into a wall outlet and confirming that power indicator light is on (if it has one). If no indicator light is available try charging the device using another micro usb cable. If the charger proves to not be working properly you will need to buy a new charger.
When the camera works but pictures cannot be captured, the LG K7's memory may be full. Delete unnecessary files to create more space or add an SD card to the device to expand the memory. This guide demonstrates how to add an SD card.
There may be something underneath a button that causes it to be depressed. Open the back of the LG K7 and remove the screw holding down the buttons to clean and clear the buttons from obstruction. This guide illustrates how to clean the buttons.
You are having trouble to power on and operate the LG-K7. When the motherboard of a phone is not working properly there are symptoms of blue screen that is display, having random shutdowns/ restarts and sometimes there will be bloating capacitor/ a burning smell.
Before concluding that the motherboard is the problem to LG-K7, there are a few procedures that should be taken in place first. Ensure when trying to turn device on that user listen if there is any beep sound after pushing of the power button indicating functionality.
User should ensure checking if there are any back light that may lit up on the screen as this indicates that the motherboard may not be destroyed but device needs a new screen replacement. replace screen
User of the device should double check the battery of the lg-k7 which may result in the lg-k7 having the same symptoms as if the motherboard was damaged as the phone will not respond to user, replace battery. Use this guide to replace the battery, LG K7 T-Mobile Battery Replacement
If the user is sure of the battery status of the lg-k7, the next step is to ensure that the charger being used is functional and in good standard and that power is flowing through the charger. replace charger
The power supply being used should also be taken in consideration as the connection of power may be cut off from that point. The electric outlet may be damage and as a result there may not be any current flow and could be the reason behind the lg-k7 reactions. User should consider using a different outlet to test connection.
Normally a dead pixel occurs when the colors of the screen itself stop working and will result in only static or dots showing up on the screen. Notice after a hard-physical drop of the LG-K7 may possibly result in the screen to be cracked. It is likely that the best option after this is as the screen is now faulty is to get it replaced. replace screen
I have a problem with my lg k7 after 2 year of use it ha been going crazy when.im using youtube for example over heats by 2 minutes of use touch things by itself and freezes the screen but the phone its actually running its very confusing but if anyone know what the problem is or how to solve it please tell me. Thank you for reading 041b061a72