Launch the phone app and open the keypad. Tap the following keys: #0#. A diagnostic screen pops up with buttons for a variety of tests. Tapping the buttons for Red, Green, or Blue paints the screen in that color to make sure the pixels are working properly.
How can I test my mobile screen?
Open your Google Play Store. Tap open its icon from your Android phone or tablet’s home screen to access it. Here, you can download different kinds of software that’s specifically designed for Android smartphones and tablets. Find a screen test application.
How do you check if the screen is working properly?
Here are the best touch screen test apps for Android to make sure your device’s touchscreen is working properly.
…
4 Touch Screen Test Apps to Check Your Android Touchscreen
- Touch Screen Test. Image Gallery (2 Images) …
- MultiTouch Tester. Image Gallery (2 Images) …
- Screen Test Pro. …
- Touchscreen Test.
What is this code * * 4636 * *?
If you would like to know who accessed Apps from your phone even though the apps are closed from the screen, then from your phone dialer just dial *#*#4636#*#* it will show up results like Phone Information, Battery Information, Usage Statistics, Wi-fi Information.
What does *# 21 do to your phone?
*#21# – Displays call forwarding status.
Why is my phone working but the screen is black?
Dust and debris could keep your phone from charging properly. … Wait until the batteries die completely and the phone shuts down and then recharge the phone, and restart it after it’s fully charged. If there is a critical system error causing the black screen, this should get your phone working again.
How do I get my phone screen back to normal?
Swipe the screen to the left to get to the All tab. Scroll down until you locate the currently running home screen. Scroll down until you see the Clear Defaults button (Figure A). Tap Clear Defaults.
…
To do this, follow these steps:
- Tap the home button.
- Select the home screen you want to use.
- Tap Always (Figure B).
What is Ghost touch?
It occurs when your phone operates itself and responding to some touches you’re not actually. It could be a random touch, a part of the screen, or some parts of the screen becomes frozen. The reasons behind the Android ghost touch problem.
What does ## 27263 do?
##27263# Removes any branding (sprint) and resets phone to update branding. (useful if flashing to boost or other carrier) (##BRAND#) Reboots phone.
What are Android secret codes?
Generic secret codes for Android phones (Info codes)
| CODE | FUNCTION |
|---|---|
| *#*#1111#*#* | FTA software version (Select devices only) |
| *#*#1234#*#* | PDA software version |
| *#12580*369# | Software and hardware info |
| *#7465625# | Device lock status |
How do you find hidden messages on android?
How to Access the Hidden Messages In Your Other Secret Facebook…
- Step One: Open the Messenger App on iOS or Android.
- Step Two: Go to “Settings.” (These are in slightly different places on iOS and Android, but you should be able to find them.)
- Step Three: Go to “People.”
- Step Four: Go to “Message Requests.”