Why can't I install anything except Play Store Apps? (5.0.2 S6 Edge)

Okay, here's the thing.

When I attempt to install something either given by my friend via Zapya or from 1 Mobile Market, whether big or small, it will say "...couldn't be installed. Free up some space and try again."

I am on an S6 Edge 32GB with 2.5GB of free space. I tried clearing cache, and odex things, and tried the options from [redacted]. Not working.
However, I can install anything from the Play Store.

I didn't know when the problem started, but it sure is pissing me off so much. Pleas guys, you need to help me out!

Did you clear the apps cache only or did you also wipe cache Partition on recovery mode?

Originally Posted by erasat

Did you clear the apps cache only or did you also spoke cache Partition on recovery mode?

I did everything I can read from all the forums I found on google. What is spoke cache partition on recovery mode?

If you have done the Wipe cache Partition also or if after doing it you still have the same issue, I don't know too many more options for you other than if you are rooted, manually change the partitions so you get more space on your "apps partition", but reduce system partition or cache partition. This procedure is a bit tricky and I must add, dangerous, so If you decide to do this, I'd suggest you to go to XDA forum and look for how to do that over there, it definitely is the place to go for this kind of things.

I guess so. The thing is, I can install/update ANYTHING from the play store without a problem. Makes no sense at all.

Thanks for your advise. I am heading over to the devs.

Originally Posted by Alex_M3rcer

I did everything I can read from all the forums I found on google. What is spoke cache partition on recovery mode?

Sorry man this da*n autocorrect, I meant wipe cache Partition.

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Have you already enabled the unknown sources in settings - security?

First off, thanks for the reply.

Yes, I did. Apparently it is not the problem with the authorization process. It has got something to do with space issues. 2.5GB is free tho.

Anyways, mine is rooted. I have decided to up it to 5.1, disregard the root. It's a YOLO move. If I can't... I don't know what will happen next :/

You'll have to reflash the current ROM before updating. If the update isn't written to fail if it sees a rooted ROM, it's been messed up by your carrier. Updates should not run on ROMs that have been rooted, even if they aren't now. A change made while rooted that wasn't changed back before updating could hard-brick the phone. It's YOLO, so let's stand on a ground wire and touch a high tension wire with your tongue. An overdose of over the counter sleeping pills is neater and less painful (or, in the case of the phone, giving it away to someone).

I don't have a carrier. I am from Burma. I don't even have a SIM in. -.-"

Just updated to 5.1.1. Still no luck. The BS persists.