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Make sure the unit is not accessing the SD card or SIM card before warm swapping the battery.
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Do not remove the SD card or SIM card while warm swapping the battery.
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Make sure you save any important data before warm swapping the battery.
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Replace the battery within 30 seconds. If more than 30 seconds has passed, apps that are running are forced to close and you may lose unsaved data.
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During warm swapping, all wireless functions are turned off temporarily.