HELP! Out of internal memory. Not used by any app
I have a THL W100 that worked perfectly, but yesterday, after updating some apps, I noticed a huge battery drain and data hog. Today, I found Yahoo Weather as the culprit, so I simply uninstalled it this morning, and left the phone on my desk for a few hours. After uninstalling Yahoo Weather, it freed around 30mb and I had around 230mb total of internal memory available. I have not installed any new app in months (not counting updates, of course).
After 3 or 4 hours, I picked the phone again just to find out that there was a warning telling me it was out of internal memory. I went to the installed apps screen just to find that it reported only 20mb free! I ordered apps by size and everything seemed correct, but I wiped all caches and most of application data too anyway.
In the storage screen, it reports that of the 920mb of internal memory, 520 are used by apps, 5 by cache. The usage graph seems correct, but the phone reports only 60mb free after clearing of all caches, so there's nearly 400mb missing!
I tried to reeboot the phone, and looked around with x-plore, but I can't find the culprit... any idea where has my memory gone?
EDIT: I rooted the phone with framaroot and used "storage analyser" on the /data partition to see which files were eating my space. There were a lot of enormous log files at "/data/log_other_mode" created at the same time I uninstalled Yahoo Weather which ate nearly 250mb. I deleted them and everything is back to normal.