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How do I get my HTC EVO 4G Android smartphone working again? It's stuck in a boot loop.

How do I flash a ROM? My phone can get to the boot screen but it says locked when I arrive.

Clearing storage and recovery do nothing. It's still stuck. The EVO  just turns on and off, over and over, showing the HTC white logo screen.

Hovsep A
2014-05-28 14:04:46
maybe you can update firmware with HTC Sync Managerhttps://www.anrdoezrs.net/links/7251228/type/dlg/sid/UUmuoUeUpU74358/http://www.htc.com/www/support/software/htc-sync-manager.aspx
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Chad H
2014-05-27 19:18:20
Still looking for answers phone is still stuck, do not know what to do?
Hovsep A
2014-05-28 14:05:03
maybe you can update firmware with HTC Sync Managerhttps://www.anrdoezrs.net/links/7251228/type/dlg/sid/UUmuoUeUpU74358/http://www.htc.com/www/support/software/htc-sync-manager.aspx
Dalsan M
2014-05-23 23:24:41
Did you do anything prior to this issue, such as try to root, S-Off, install custom recovery, install custom ROM? Try the suggestions that Hovsep linked to. If you need more help finding and flashing a stock ROM to get your phone working again, let us know.
Dalsan M
2014-05-26 06:18:15
Try the suggestion in post #3 by thugdrummer here: http://forums.androidcentral.com/htc-evo-4g/140690-my-htc-evo-4g-stuck-reboot-infinite-loop.html. If it doesn't work, try the other suggestions in the forum.
Hovsep A
2014-05-23 20:22:44
how the problem started? while flashing with a ROM after rooting?http://forum.xda-developers.com/showthread.php?t=2072850http://forum.gsmhosting.com/vbb/f485/solution-htc-evo-4g-stuck-reboot-infinite-loop-1680847/
Hovsep A
2014-05-24 20:08:30
maybe you need to flashhttp://android.stackexchange.com/questions/7396/how-can-i-flash-back-to-the-stock-rom-for-htc-evo-4g-supersonic-using-just-the-phttp://forum.xda-developers.com/wiki/HTC_Evo/ROMs