Former Writer · Oct 20, 2012 at 08:00 am

What is a Data Media Device?

As technology evolves, things change. Android is no different. With recent Android releases such as Honeycomb, Ice Cream Sandwich, and Jelly Bean, there have been quite a few changes. On many devices, USB Mass Storage changed to MTP, widgets became part of the default launcher’s app drawer, and everything went from green and orange to blue. One change that many don’t know about is Google’s new way of handling storage on many devices.

XDA Recognized Developer Dees_Troy, one of the key developers on the Team Win Recovery Project, wrote up a useful guide that helps explain how the new storage works. As Dees_Troy explains:

I’m writing this page because there seems to be a lot of confusion about how many of the newer Android devices work. Starting in Honeycomb 3.0 with the Xoom, Google changed the way that they handled storage. Instead of having a “data” partition with your apps and a separate “sdcard” partition for storage, Google started giving you a single, very large data partition. Inside /data is a folder at /data/media that contains all of the contents of what you think of as your internal sdcard.

This can be so very important for a number of reasons. For example, this is why TWRP ignores the /data/media path when wiping data. The big reason, however, is so people are aware. If you wipe your /data/media, you’ll be wiping your Nandroid backups, the ROM you were planning on flashing, your app backups, your photos, and everything else that usually stays safe on your SD card. So if you boot into TWRP to flash a ROM and you format /system, wipe /cache, and wipe /data including /data/media, you’re in trouble. You have no system to boot to, you have no ROMs to flash, and no backups to restore. The only way back from that is to ADB push a ROM onto your device to flash.

For the full explanation on the new storage system, how it relates to MTP, and much more, check out Dees_Troy’s explanation on the official TWRP website.


_________
Want something on the XDA Portal? Send us a tip!
TAGS:
Mario Tomás Serrafero · Mar 5, 2015 at 10:09 am · no comments

Huawei: A Giant the Western World Should Look Out For

The smartphone landscape is drastically changing its focus. What was once a North-America-centric monopoly of high-specification phones is now merely an afterimage of the past. The meat of the game is elsewhere now; emerging markets looking for good bang-for-buck are what OEMs are increasingly aiming towards, and in this new game the old players must adapt-or-die. Xiaomi has grown at one of the most notable rates in the industry, leading it to become the world's most valuable start-up; and its...

XDA NEWS
Jimmy McGee · Mar 5, 2015 at 06:00 am · 1 comment

RAVPower RP-WD02 – Android Accessories Review

There are so many Power Banks out there. However, they are not all the same. Some sacrifice weight for capacity. Others do the opposite. Some come with two ports and some come with more, while others come with less. Some are just batteries with a case around it, but others have some unique features. In this episode of XDA TV, Producer TK reviews the RAVPower RP-WD02 Wireless Filehub & Portable Travel Router. This device is the successor to the RP-WD01...

XDA NEWS
GermainZ · Mar 4, 2015 at 07:09 pm · no comments

A Look at the Telegram+ Situation

Most of this article doesn't only apply to Telegram+ -- it just happens to be an example that got a lot of coverage elsewhere, with many authors or commentators putting the full blame on Google, Telegram, the Telegram+ developer or even WhatsApp Inc (eh?). In this article, we'll try to look at the different aspects to provide a clear view of what actually happened, and what can (and hopefully will) improve with regards to developers in general and the Play...

XDA NEWS
Share This