iPhone 4S stuck on update progress bar

Hello

I have updated my iPhone 4S to iOS 9.3.6 and now it’s stuck in the progress bar.

I have tried restoring with iTunes, iTunes gives an error.

What should I do?

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What error is it giving you?

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“iTunes cannot resotre device” or something like this

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

Hi I have the same problem, it say error 29. Today I changed battery as this is replaced since the phone was new. In the trouble shooting guides it have been the lead so far causing this error. But no success . The phone was working fine before this upgrade.

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