You should have a correct reading from the Android OS now.Reboot your phone and use it normally until it reaches zero percent.Head over to the Google Play Store and download the Battery Calibration app.Make sure your battery is fully charged before continuing: What this procedure achieves is to rest the batterystats file so your battery should now be calibrated.Ĭalibrate your battery on a rooted Android deviceįor rooted users, the process is much simpler. Unplug your device and use normally until the battery is completely drained again.Don’t use your device while it is plugged in. Leave it lying for 30 minutes then charge it again for an hour.Unplug your charger and turn your phone on.Do not turn on your device while charging! Charge your battery until it reads 100%.Let your phone discharge until it goes off due to low battery.But if you are facing serious issues with your battery, you can decide to take the risk. The latter also includes the percentage of battery use per hour. With Battery Meter Overlay, You can see if your battery is charged enough to play a game, a movie, or to browse the. AccuBattery offers quick, detailed information about your battery in a handy notification that includes current time left (estimated, of course), discharge rate, and how much battery is consumed (in mAh) with the screen off and on. It cost Google around 160 but free for me. They also said that it is happening a lot lately. They were quite nice about it and said that Google is covering all such battery issues with free replacement. There is no guarantee it will work and sometimes, it could actually harm your battery further. Battery Meter Overlay always shows the battery percentage at the top of screen. Update: Got my Pixel 4XL fixed at UBreakIFix in California. Once that is done, you can proceed with the rest of this tutorial.Ĭalibrate your battery on a non-rooted Android deviceįor non-rooted android devices, calibration is a manual and could be a bit cumbersome. To do this, reboot your device into recovery mode, scroll to “ Wipe Data/Factory reset” and click the “ Wipe Cache Partition” option. Before you calibrate your battery, make sure to clear your cache partition. You have to replace your battery if you find physical damages or at least take it to a repair shop for expert opinion.īattery drain is a common complaint when upgrading to a new android version or flashing a custom ROM. If you have a removable battery, take it out and check if it’s not bloated or swollen as that may indicate a damaged battery which in that case, calibrating will make no difference. Note: The battery meter only works with Android phones running. Download and install the Plantronics MyHeadset app from the Android Market.
Pair and connect your compatible headset.
In order to view this meter, you have to. Use a custom View, override onDraw () in it, and draw the battery shape on the canvas.
Before you begin with battery calibration 1. The headset battery meter displays the battery level of your headset right on the screen of your Android smartphone. Here are few of them: Use a ProgressBar, make it vertical, make it be drawn in the battery shape.
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