[Android Central Question]

I have android 6.0.1 and tried to use adb to do it and got this error:

Error: java.lang.IllegalArgumentException: Unsupported partition type 179,32
1|shell@s5neolte:/ $

[pkcable]

From what I have read, its generally NOT a good idea to use an SD card as internal storage on that version of Android.

[Mooncatt]

From what I have read, its generally NOT a good idea to use an SD card as internal storage on that version of Android.

On any version of Android, if you ask me. Doing so can cause issues because SD cards are not as reliable and have slower performance than internal storage. So if you have apps on it, expect them to take longer to load and have other lag issues. If the card gets corrupted, expect those apps to stop functioning all together.

[tube517]

OP: What phone do you have?

Also, what type of SD card are you using? What is the rating of the card?

[alex7859]

OP here, i could answer u guys since i posted this with no account. I use a samsung galaxy s5 neo and the micro sd card is the samsung evo 128 gb. It is a class 10 card and reads at 100mb/s and writes at 90 mb/s. I know the risks of doing this but i dont have much of a choice as the samsung s5 only gives you 16 gb to work with, which is why i bought a good card for this purpose.

[Rukbat]

Samsung has chosen to not implement internal storage for SD cards (so has LG) - for a very good reason. Storage gets written to a lot (Android apps have to keep their current state at all times, because Android can kill an app that's not in the foreground if it needs the RAM space then, when you make it the foreground app, Android runs it again, telling it to use its saved state [which is in its cache]. To you it looks as if the app's been running all along - it hasn't been.) All that writing to an SD card causes even good cards to fail a lot faster than it does to the eMMC storage used in the phone. And if an app is installed to the SD card (after all, it's internal storage, you don't "move" it, it just gets installed wherever Android wants to install it), and the card fails, you've lost not only the app (which you can install again) but all its data. Which won't make you a happy camper. (And Evo cards are kind of sensitive to being written to all the time - use the card as a write once-read many device. SanDisk cards are a little better, but the SD technology itself doesn't lend itself to "write many".)