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If you have made a mistake upgrading, it is still possible to downgrade iOS 9.3.5 on your iPhone, iPad or iPod touch. This post includes everything you need to know regarding that.

If you have an iDevice and have a habit of regularly going to “Settings” to check for an unexpected software update by Apple, then you might be surprised by the recent out-of-nowhere release of the iOS 9.3.5 update for your compatible iDevices. And then if you have managed to download the install the update but have been disappointed for some reason, then you can easily roll back to iOS 9.3.4 now, until Apple is signing the earlier firmware.

The ability to downgrade the firmware does come with a couple of warnings and considerations that users should take into account before commencing with the downgrading process. First of all, you should know that Apple is no longer digitally signing and verifying the jailbreak version of the iOS 9.3.2 and iOS 9.3.3 firmware, which means that users can only go back to iOS 9.3.4 and not beyond that if they wish to go for a downgrade. And this is only until Apple stops signing iOS 9.3.4 as well, which it can do anytime now. After that downgrading to even iOS 9.3.4 firmware won’t be possible. In addition, users will no longer be able to jailbreak their devices once they upgrade to iOS 9.3.5. So better be quick if you want to revert back!

The release of the iOS 9.3.5 update happens to tighten the loop on security for the users of iPhone, iPad and iPod touch. So we highly recommend that it’s better to stick with iOS 9.3.5 as it fills up an extremely serious security issue with iOS. But still if you wish to stay with the older firmware like iOS 9.3.4, it’s totally your choice. However, the only solid reason to go back to iOS 9.3.4 from iOS 9.3.5 will be in case of unfavorable performance or a degraded battery life, which is of course very rare to happen because of the strict security nature of the latter update.

Given below is a complete step-by-step guide for downgrading iOS 9.3.5 to iOS 9.3.4 on your iDevices:

Step#1 – Before you start, it is highly recommended to have a backup of your data first via iTunes or iCloud, since the downgrading process removes everything from your device.

Step#2 – Next, download the iOS 9.3.4 firmware ispw file for your respective iDevice from here.

Step#3 – Having iTunes installed on your system, connect your iDevice to your computer using a USB cable.

Step#4 – Wait for iTunes to open automatically. If it doesn’t, then launch it yourself.

Steps#5 – From the top left hand corner of the iTunes page, select your respective iDevice.

Step#6 – Click on the “Restore iPhone” button in the middle while holding down the left “Shift” key in PC or the left “Option” key in Mac.

Step#7 – As soon as a new pop-up window appears, just choose the iOS 9.3.4 firmware file that you downloaded in Step#2.

Step#8 – The moment you click on the respective firmware file, the downgrading process will start immediately. It is not recommended to open any other process on your computer during the process because if you do, the downgrade won’t go smoothly.