Q: iPhone 4S Stuck at boot showing [NAND] ?

It's toast. If it wasn't jailbroken, take it to the Apple Store and get it replaced. An out of warranty replacement for a 4S is $199.

If it was jailbroken, throw it in the trash and buy a new one.

No,Dont throw it away. Try all the basic troubleshotting tips.. Does any of the buttons still work? What happens you you plugg it up , does itunes detect it? Also try pressing the home and power butto together to do a hard reset and see if that happens. all that is happeneing is it is doing a verbose boot. Where it shos all the command lines.

I dropped mine in the pool on Sunday. Completely submerged. I did rice for 24 hours and then placed it between 2 damp rid sachets. I checked it every day and it had the exact same screen as the picture above. Tonight I tried one more time. It stayed on that same screen for about 20 minutes and then miraculously booted up to its former glory.

Hi

I Have the same problem with my IPhone 4s,

so did you find a solution to fix thes problem

Place your phone into recovery mode and then restore as new.  You will lose everything, but at least it should work for you.

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hi,

i have the same problem.

any success or suggestion ?

thanks,

Hi, What causes this as had screen replaced it was fine then went blank when plugged charger in then this came up??? nand etc

The iPhone is not user servicable. There are no legitimate sources for iPhone parts as Apple does not sell parts. There are a whole host of things that could have caused the problem. Most likely is damage to the system board.

hello sorry for bad english same problem with my iphone 4s

when i try to restore with Dfu /hard reset wahtever u call it

i get this error 1603 or 1611 after my phone hangs with appl logo in the same time itunes trying to perpar phone for restor after 5>10 min i got one for this errors

if i tried to Restart with Power /Home the Nand screen will come back and my phone cant boot

So please help cant boot cant recovery

Message was edited by: fadynasser

This is what my iPhone 5 is doing!!! I don't know what I should do!!

I had this same issue. I started looking at what I replaced recently and I did a full front screen with the camera. I tried putting the old camera back on and it worked. Seemed to be a hardware failure.

this is the same conition on my phone too so wat shall i do to restore it?

is tat a hardware problem or as software problem????