Does anyone else have any issues when the ringer volume is turned full throttle, the ear piece sound is similar to a blown speaker (when the person calling speaks)?
I can see where that would be a concern KropsMom! I would like to ask a few questions to determine the potential problem. Is this happening when you adjust the call volume once the call starts? The in call volume is a separate control once the call is placed. The ringer volume shouldn't affect the in call volume. Does this also happen when you adjust the volume off the maximum setting? How about when playing media? Do you still hear the crackling?
If the problem persists after adjusting the ringer and in call volume, I recommend running the device in safe mode for a full day to test. bit.ly/yfUfOO
If the problem still persists in safe mode, I recommend a hard reset as the last step. bit.ly/xKJYz6
I trust this information was helpful.
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In order to place your phone into Safe Mode, all you need to do is just follow these steps:
1) Power off your Droid 4
2) Open the slider to show your QWERTY Keyboard
3) Press and hold the OK Key
4) Press "Power" to power on your device.
During the power up, keep holding these buttons down please. While the phone is restarting, you should feel a vibration feedback which lets you know that your phone is booting in Safe Mode.
Once your phone boots up, your display will now show "Safe Mode" in the lower left corner.
Let us know how your phone responds after performing these steps, KropsMom!
Thank you and take good care.