i have a blackberry 9630 here.when i turn on,the battery sign

[backup]

i have a blackberry 9630 here.when i turn on,the battery sign will appear in the middle of the lcd with x sign.

 

[Shikderg]

i have a blackberry 9630 here.when i turn on,the battery sign will appear in the middle of the lcd with x sign.

can you change your mobile battery?