Android 6 has a new feature to allow an SD memory card to be used as internal phone memory. Great! But read this before you go out to buy a new SD card.
This is great news as many older phones have not so much internal memory, but a lot of unnecessary apps that come with the phone which you cannot uninstall.
Mine is an HTC e8. Yes it is an old model (more than 2 years!) But it has been working well except I run out of phone memory all the time.
So the new Android 6 feature was timely. But it wasn’t easy to make it work.
First, you’ll need a very fast SD card. And your computer shopkeeper will have no idea how fast is fast enough for this purpose. Neither could I find any info from Google search (hence I am writing this article to share my experience)
My existing SD card simply wouldn’t work. Android said this card is too slow and cannot be used as phone memory. The screen actually suggested the type of SD card needed.
But such type was not available in the computer shop (a large chain store selling only computer stuff).
There are actually many types of SD cards according to Wikipedia, each has its speed specification.
I ended up buying the fattest one which says 80MBs (up to)
But Android still said it is not fast enough and refuse to use it as phone memory.
Then I realize 90 only refers to the read speed. The very very small print at the back says the write speed was only 10.
Such unethical false advertising!
So I went to buy another one, this time with write speed of (up to) 90.
(For fast model, they actually print the write speed in readable size at the back)
Now Android said this card was still not fast enough, but it would format it for me but warned me that performance won’t be good.
Of course I went ahead. I wasn’t gonna but another card. None faster was available anyway.
The formatting was successful, and there was a function to move some data over to the card.
Now my phone has enough memory to last another couple of years, and I can now update all my apps at once.
Too bad I now don’t have the excuse to buy the new HTC 10.
(To format an SD card to be used as phone memory, go to setting, storage. Android 6 only.)