Many people bring sony a7, a7s, a7r to camera service or service center, problem with dialpad ( button ), / mode dial cannot change shutter speed or change aperture, make us so confusing with this.
Sony a7 and variant design for quick use to change iso, ss, and aperture, but this hardware issue with mode dial.
How to fix dial pad / mode problem on sony a7
1. bring it to service center when it under warranty
2. if the warranty is exhausted can bring it to technician not official
like technician on kamerasecond.com they fix this just 1 hour, no need to change part or anything just modification of mode dial pad to function again, the price is cheap.
must be handled by experienced technicians to prevent more fatal damage
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