Oops, all your data has now been wiped-out! Things can go wrong when attempting a jailbreak. People forget their screen lock passwords. Your phone can get lost, stolen or damaged. Sooner or later, your device will just die, with Apple logo screen of death or inaccessible system error. If any of these happen to you, it's important to immediately stop using the phone. Any operation can generate new data which can overwrite your lost data, making it harder to recover.
That's why you're advised not to sync your iPhone with iTunes in this situation: you don't want your backup data being updated. Set iPhone into the flight mode before attempting to recover data. Do not try rebooting continuously - that can only cause further data damage. If you've ever synced your iPhone with iTunes, you can use iTunes backup to regain old data.
Phone has a build-in data recovery feature. It's worth trying this data recovery tool when backup doesn't exist. If that doesn't work neither, you can use a third-party software to directly scan and try to recover data from your iPhone. There are even tools that can restore back your settings, that you have spent hours setting up. Phone hard drive is similar to your computer hard drive: the data is never deleted permanently, but only marked to be overwritten. Using the right tools, in many cases, you can get all your deleted or lost data back.
So, you have a problem with your iPhone screen and are looking to fix it. Troubleshooting your iPhone to find and fix the cause of the problem often is quite easy and simple to fix. The best way of looking at this is to go through different solutions in step by step fashion making sure nothing is left out. As a result of this approach you may feel that you want to skip some step or you have tried some methods before. I'd urge you to go through each step to make sure you've tried everything.
Apologies if you've tried some approaches before! Now, the best way to do this is to go through a process step by step, apologies if you have already tried some of these but it is often best to be thorough! So step one in troubleshooting an iPhone with a blank or black screen is to plug it into your computer or a power supply. Often a low battery is a cause of this and making sure your phone has a good connection with your computer and leaving it for 5 minutes can solve the problem.
Step two. If your iPhone isn't working after 5 minutes or so and you've made sure it has a good connection with your computer but your computer is recognizing the device you can put the iPhone into hard reset mode. Before you do this make sure you have backed up the information on your iPhone on your computer.
To put the iPhone into hard rest mode press and hold the home button and the power button at the same time. Hold them both for ten seconds you should hear a beep from the one and or see an apple on the screen. DFU) mode has worked. Then simply reinstall apps and data on to your iPhone. Step three. If the previous steps haven't worked and you still have a blank or black screen then you potentially have two problems.
The first one, if your computer is not recognizing the iPhone is a problem with the power into the phone. Now this could be the power cable or the power cable socket in the phone. Try swapping power cables with a friend or relative and see if this works. If not then you have a problem with the power socket in the phone.
At this point it is worth taking into a shop to get repaired, this shouldn't be too expensive make sure you take it to several places and get several quotes before you decide to go for a repair. Step four. If your phone is being recognized by your computer but DFU mode hasn't resolved your problem then the problem resides with the screen itself or the power supply to the screen inside the phone. Both of these can be damaged if there is any trauma to the iPhone.
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