Unfortunately, sometimes the recording may fail if the target device microphone cannot be accessed during the full duration of the ambient recording.

When you start a recording remotely, the target device should be in idle, which means it should not be in use. If the user is playing a game, or chatting or doing anything with the phone at that time, the recording will not start. This causes missing ambient record.

During the duration of the recording if the user attempts to use the phone SPYERA will terminate the recording to protect you from being discovered. This can lead to incomplete recording files. This causes an empty recording file. You may see a file on your web account but it will be without sound.

This is not a problem to be fixed. We designed SPYERA in this way. We don't want to force the device. Too may process at the same time may fail the device and the ​user may get suspicious. Losing some files is much better than losing everything.

These articles listed below may also help with recording files related problems.
How can I play recorded calls and ambient files?
Empty or missing phone call records
How to set the recording source?
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