How to Fix a Blank Screen on Your Panasonic KX-TG 2357 Cordless Phone?

If your Panasonic cordless phone model `kx-tg` has a blank screen but is still functioning in terms of making calls and having a dial tone, it sounds like a display issue rather than a complete malfunction. Since you've already tried replacing the batteries and resetting the base without any improvement, there are a couple of other things you can check. First, adjusting the contrast is a good step, but if that hasn't worked, it might indicate a deeper issue with the display itself. It's possible that the screen has developed a fault that isn't easily fixable at home. If you want to keep the phone because of your contacts and other preferences, I recommend looking into repair options rather than replacing the entire unit. You can reach out to Panasonic's customer support for assistance. They can provide you with information about authorized service centers where you can have the phone examined and potentially repaired. Make sure to have your model number handy when you contact them, as it will help them assist you more effectively. If you prefer, you can also check their website for service locations and support numbers. This way, you can get your phone back in working order without losing your saved contacts.