How to copy CWM Nandroid backup to PC on Android 4.2 Jelly Bean?

There are 2 types of ClockworkMod Nandroid backup format ~ original tar format and new dup format. Tar backup format is good to store another copy at other places like PC or cloud storage. On the other hand, dup format is good for incremental backup for saving disk space. Before Android 4.2 Jelly Bean, older version CWM Nandroid backup is stored at user disk space. But latest version is stored at system disk space where you can’t access it from PC anymore. So how to copy CWM Nandroid backup to PC on Android 4.2 Jelly Bean?

CWM Nandroid backup

How to hard reset Galaxy S4?

Is your Samsung Galaxy S4 always facing freeze or hang issue? Or applications force closed issue? Or frozen and unresponsive at all? Maybe it is time for you to hard reset Galaxy S4. Well, hard reset is also known as factory data reset in Samsung Galaxy series. Basically, it will reset settings to the factory default values and delete all data. Your Galaxy S4 will become like a new one (software only of course) just like the moment you power on at the first time. Do be careful, factory data reset will delete everything on your internal storage. So all your installed applications and data on device storage will be deleted. However, content on external SD card will be intact.

Factory data reset Samsung Galaxy S4

How to overclock Nexus 4 GPU?

Want to get better 3D gaming performance on Google Nexus 4? Well, you can overclock Adreno 320 GPU to do so. Of course, you need to install custom kernel that support GPU overclocking in order to do so. And make sure that your Nexus 4 is not overheat else it will auto reduce GPU clock speed as well just like CPU do. Does overclock Nexus 4 GPU really improve 3D games performance? Try it to find out…

Note – overclock will reduce Qualcomm APQ8064 CPU, Adreno 320 GPU and other hardware components lifespan because it will overheat easily. Do it at your own risk.

LG Nexus 4 GPU @ 487 MHz

How to backup / restore Galaxy S4 EFS?

Rooted your Galaxy S4? Then stay with me on this guide, else feel free to skip this. Without root access, you won’t corrupt or delete EFS. So you are safe.

EFS folder is a place that store all Samsung Galaxy S4 important data like Wi-Fi, Bluetooth MAC address and IMEI (nv_data.bin). Therefore, don’t play with system level folders especially EFS folder if you don’t know what they are. For you info, your Galaxy S4 can’t make voice call if IMEI number is missing. Therefore, it is better to make a backup of Galaxy S4 EFS. Why? Install unstable or poorly cooked Galaxy S4 ROM might cause EFS partition to be corrupted or missing too.

Backup Samsung Galaxy S4 EFS

Enable Beats Audio on Galaxy S4

Beats Audio is no longer exclusive for HTC devices only (for quite some time). Yes, you can install Beats Audio Equalizer on Samsung Galaxy S4 too. Does Beats Audio really enhance overall Galaxy S4 sound quality? Well, that’s depending on each personal taste. I am not an audiophile. So far, it does sound better to me. You can tweak headset, phone speaker and Bluetooth sound quality. Increase bass boost, enable virtual room effect, set equalizer that you prefer…

Beats Audio on Samsung Galaxy S4

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