Palm Treo 650 Verizon/SIM board swapout

4 Apr 2009 by admin, No Comments »

I got this phone from a friend of mine after he dropped it on the floor too many times. It had become unreliable; dropped out several times, etc… he got fed up.

I kind of like the Palm software though…. once I saw people writing notes on the touchscreen I decided I had to try one once so this Treo needed saving.

My guess was the mainboard had a crack somewhere because slightly twisting the Treo like a wet towel could reboot the Phone. I already soldered the battery to the board because I thought it might just be the connector but no such luck.

I found a very cheap Treo for parts on ebay but it was a Verizon type which don’t have a SIM slot connector. Mine used a SIM card to connec to to a provider. The sim connector is a seperate card so I took my chances in buying the Verizon Treo and expected Palm to use a single motherboard with different addons.

Luckily I was right, when I got the phone the board swapped out without problems. I had to change the firmware to get things really working though. I found that this can be done with the use of the original Treo usb connector cable. this cable has a sync button on it and you need to press this button while booting the Treo in order to get to the ROM-upload mode.

I used the grack Treo ROM tool to upload a different Treo ROM to the phone. People from the http://www.palmclub.nl/ were so kind in providing me with a clean Treo ROM. Pretty cool… you can even compile your own ROM set with programs you use more often, or erase ‘useless programs’ to gain memory space.

Phone working

After this I got me a stylus pen set and a new battery from ebay and now the phone works again. Ok it’s a big phone, but battery life on this thing is something else….

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