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BlackBerry® OS Smartphones

Posts: 1
Registered: ‎05-08-2013
My Device: Bold 9900
My Carrier: DTAC

My 9900 turned off and wont turn back on

ok - my phone was fully charged (was charging on my laptop at the time) and I was whatsapping a friend and suddenly it just went black.
No red light to indicate battery dying. Just black. Tried to take the battery out and restart but nothing. Tried taking the battery out for a bit
and then putting it back - still nothing. Tried putting it on charge and still nothing.

PLEASE HELP!!!! Could the battery need to be replaced or what?? Its about a year old.

Posts: 1
Registered: ‎05-08-2013
My Device: Blackberry Bold (9900)
My Carrier: Tele2

Re: My 9900 turned off and wont turn back on

I have the same with my Blackberry Bold and i saw it on the internet a lot. I still have not found any solution yet and it does not look that we can expect support from Blackberry. altough not in my country(Netherlands)
Hall of Famer III
Posts: 59,066
Registered: ‎11-28-2008
My Device: DTEK50 (AAI82), PRIV (AAI795), Z10/Z30/Q10 (, Playbook (
My Carrier: TMobile USA

Re: My 9900 turned off and wont turn back on

Hi and Welcome to the Community!

Please try this sequence...note that, throughout the entire 4h15m process, your BB must remain connected to a known-good wall charger (not PC USB):

  1. With the battery inside, connect your BB to the wall charger
  2. Leave it alone for 2 hours, no matter what the LED or the display does
  3. Remove the battery
  4. Wait 15 minutes
  5. Insert the battery
  6. Wait another 2 hours, no matter what the LED or the display does

This has been known to "kick start" some BBs.

It is also possible that your battery or BB has experienced a problem...to test, this sequence is needed:

  1. Obtain an known good and already fully charged additional battery...use it in your BB and see what happens
  2. Obtain access to a known good and identical BB...use your battery in it and see what happens

The results of this will indicate if it's your BB or your battery that has the problem.

Good luck and let us know!

Occam's Razor nearly always applies when troubleshooting technology issues!

New to the Community? Click here and also here for helpful guidance. Also please click here for additional helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions. If anyone has been helpful to you, please show your appreciation by clicking the button. Need a reference to BB10 OS/SR versions? Click here. Need a specific BB10 AutoLoader? Send me a private message.

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