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New Member
Posts: 1
Registered: ‎09-02-2014
My Device: Curve 8520
My Carrier: Tigo Ghana

My Blackberry curve 8520 wont turn on or charge

My blackberry curve 8520 doesnt turn on and when i try to charge it , there is just the red LED light and the screen shows up some picture which shows a red cross on top of a battery. I also tried to connect this to my computer but it doesnt respong and also try with another blackberry original battery it showing same . but when i put my battery to another blackberry phone that phone is turning on properly . please help asap.

Hall of Famer III
Posts: 58,175
Registered: ‎11-28-2008
My Device: DTEK50 (AAH108), PRIV (AAH995), Z10/Z30/Q10 (10.3.2.2813), Playbook (2.1.0.1917)
My Carrier: TMobile USA

Re: My Blackberry curve 8520 wont turn on or charge

Hi and Welcome to the Community!

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

  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. Note carefully please that "new" and "know good" are not necessarily the same things. While rare, a "new" battery certainly could be defective. Rather, the simplest (and least costly, btw) method to conduct this test is to find someone with an identical BB who has no issues...trade batteries and see what happens.

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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