How to test OnePlus Smartphone Hardware? (video)

Yeah… I own OnePlus 5T smartphone (by Oppo Electronics) at last. OnePlus is famous with their clean and fast operating system. Yup, stock Android + few modification here and there. That’s it. So here is the guide to test all the hardware functions like LCD, camera, Wi-Fi, microphone, sensor when you got OnePlus smartphones / going to buy it at shop. In short, just bring up FactoryMode app to test. Should work on other OnePlus models like OnePlus One, 2, X, 3, 3T, 5 and my current 5T. Upcoming 6 and 6T should work too…

How to force restart Galaxy S4?

I believe not everyone will go to read the whole Samsung Galaxy S4 User Manual. Here is a little trick that can help you save some time since I saw several users faced Galaxy S4 frozen and unresponsive issue. Normally, we take out battery and put it back on to let phone reboot. Well, you don’t have to do so because it is troublesome to remove back cover. Furthermore, most of us will have a case on Galaxy S4. Therefore, Samsung has a solution for this kind of issue.

How to root Galaxy S4 with CF-Auto-Root I9500 & I9505? (Video)

Adam Kernel does not work on latest Galaxy S4 XXUBMEA firmware yet. So I need to find another rooting method for it. Yes, Chainfire’s CF-Auto-Root comes to rescue. One of the best parts of CF-Auto-Root – able to root most Galaxy S4 firmware out there. Unless Samsung changes the firmware structure, else CF-Auto-Root should be able to root it. Okay, let’s get started. Once your Android devices get rooted , you can’t go back anymore. Lot of useful applications require root access…

How to hard reset Nexus 7?

Google Nexus 7 is not stable and responsive? Facing lot of application frozen or hang problems on Nexus 7 lately? Or want to send Nexus 7 back to Asus for warranty claim? It’s time for you to hard reset Nexus 7 then. Or you can call it factory data reset. After factory data reset, your Nexus 7 will be back to factory setting just like you turn on it for the first time. This means that it will delete everything including your applications, data, settings and contents on internal storage.

Factory data reset Nexus 7

How to backup / restore Samsung Galaxy S3 EFS?

You can ignore this article if you did not root Samsung Galaxy S III. Why? Because you need root access to backup and restore Samsung Galaxy S3 EFS. And you don’t need to worry about EFS at all when not rooted.

What is EFS? It is a place that stores your Android smartphone important data like Wi-Fi, Bluetooth MAC address and IMEI (nv_data.bin). Do take note if you are a frequent ROM / firmware flasher or rooted your Android phone. Installed unstable poorly cooked ROM might cause EFS partition to be corrupted or missing. Which will make your Samsung Galaxy S3 fail to make voice call due to missing IMEI number. So better to make a backup of your Samsung Galaxy S3 EFS partition.

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