.thumbnail folder problem

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http://forum.xda-developers.com – Hey guys, my phone is huawei ascend p1, there is no forum for it, so I'm posting here because these two phones are very similar. I'm running miui, and the hidden thumbnail folder takes up 1.5 gb of space, and regenerates after I delete it. That is so strange, because my photos and videos take up only 1.0 gb of space. Can anyone help me delete that thumbnail data forever? Because it's so frustrating to never have free space :( Sent from my U9200 using xda app-developers app (HowTos)