i have iphone 4s running on ios 8.1 and recently jailbroken dreaming the freedom of apps and customizing facilities but it turned to wonder of few days only. when i install tweaks then it takes safe mode unfortunately . so what is the cause that most of the tweaks cause safe mode booting then i have to uninstall it to get rid of. so please tell me friends does it happens for all device or due to it is iphone 4s so it is happening.? can we get rid of and enjoy the tweaks ? is there any method to know which tweaks is causing this safe mode booting? does this safe mode booting harms device please help me friend ..