We always create downgrade videos in our Youtube Channel – iAppleStuffs, you can subscribe to our youtube channel to stay updated with all downgrade tricks tutorials and other Apple stuffs tutorials.
So lets get back to the point now, How to findout if Apple is singing the ipsw where you want to downgrade ? This thing is made very easy with a website.
Step 1: Go to this website – (Click here)
Step 2: You will see a window like this image below:
Step 3: Select your device and click on the select ios version
Step 4: From the drop down ipsw menu, you can see that, some are in GREEN BAR and others are in RED BAR. The green bar’s ipsw is still signed by Apple. Means you can downgrade to those firmwares. and the red bar’s are not singed by Apple anymore. you can’t downgrade to those ipsw.
Thank you. By the way, do you know that apple has released the ios 8.2 beta for apple developers. Now you can update to ios 8.2 beta now by registering your iPhone iPad iPod udid to Apple Developer account. it’s 3x faster than the ios 8.1.1 and performance is really great.
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We also offer iPhone Factory Unlock service, iPhone Carrier check service and we also register iPhone,iPad,iPod udid to Apple Developer Program for installing latest ios 8.x.x beta in iPhone iPod iPad.