Stuck on iTunes logo problem creates when we want to update iOS software or some time mobile disconnect with wifi during updating process. There are many other reasons for stuck on the iTunes logo. iPhone 4 Stuck in Recovery mode or Recovery Mode loop, No problem if this is your problem then here is a easy and working slution for this strange problem.I faced this problem with my iPhone 4.I did not know how to get ride this problem. i foun couple of ways on internet but confused which one is helpful.Finally i got the working trick and want to share with you.First download iTunes & install on your computer
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Run iTunes software and connect your iPhone with cable.
After successful connected your iPhone run ireb-r7 software.
Select recovery mode loop fixer option. Then select Set auto-boot true option.
using this method all your data will not be lost. so this is easy and safe way to FIX an iPhone 4 Stuck in Recovery Mode Loop.