I'm not familar with LG Bridge or the so called sync window. When I select using the usb for file transfer on the phone I'll get a pop up in windows with a bunch things to do crap but also a "file" symbol. When I click that the phone files will show in my Windows Explore as a device on my computer. I just open the appropriate file in the phone, select all the photos I want and drag them all at once to a folder I create on my computer's drive. Then I usb the new phone the same way and drag and drop the pictures from my computer location back to the new phone file location. I do the same for exporting contacts from one phone to another. Easy peasy. That's probably what you're use to.
When you plug the usb into your phone, can you do a pull down which gives you the charge or transfer option without using that LG Bridge thing ? That's how my old LG was and my current Motos. Just pull down the screen to get the options when the phone is usb connected, select file transfer and with what ever pops up on your computer screen select the "file" symbol, not any of the other things it shows you can do.
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