I have a samsung SGH-A867 cell phone. After charging it last night the screen is black and in bright red letters at the top it says DEMSBL BOOT Loader for MSM6290 more than Downloader V5.58 I tried taking the battery out and turning off, but this is all I get
That isa boot kernel issue. The phone may be toast :( How long have you had it?
Please try the steps below in this EXACT order. Remove the battery and SIM (if you have on, varies by carrier) from the phone and wait 20 seconds, then, with the battery still out, plug it into your wall charger, then place the battery and SIM back in and turn the phone back on.
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Did what you said and now it won't turn on
Crap, yeah, your software is toast. How long have you ahd the phone?
a little over a year
Crap. About your only shot is to take it to your wireless provider and see if they have the firmware update computer to reload the OS. I am so sorry.
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Thank you for all your help!
No problem and best of luck