BlackBerry Curve radio turn off by itself issue. When BlackBerry battery charge drops below 5%, the BlackBerry device turns off the radio. You must manually turn it on once your charge reaches 15%. When your BlackBerry battery gets too low, you may get a window that says battery too low for the radio to work, or something like that. I got the issues yesterday. I turned off my BlackBerry Curve 8330, when I woke up in the morning, the radio (for the wireless connection) would not turn on no matter what I did. I went to the ‘manage connections’ icon to turn on the mobile network, but no matter how many times i clicked it to turn it on, the box would never stay clicked and the connection stays off. finally, I find it was caused by low battery. it is really annoying. BlackBerry has three built-in radios.First is the GSM cellular radio for connection to the carriers network. Second, there is a Wifi radio that can be used with home/office network connection. Third, there is a BlueTooth radio. That is used to make a short range connection with accessories like head phones, computers, printers other remote devices. the radio transmits and receives RF signals. If your battery was low simply turn it off and charge the battery.

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