(Q] any success on external antenna?

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thought about the half assed twist tie method but I can't seem to find q more stable and secure method such as a fme cable to plug right in. any advice?

Look here a little ways down the page.
http://www.cellphoneshop.net/incredible.html

This one is probably your best bet as it is the only one that physicaly connects to the phone. Its out of stock right now so its probably a good seller.
http://www.cellphoneshop.net/uncephwian.html

My antenna stopped working so I replaced it with a 24 centimeter 20 or 24 gauge stranded copper wire with a flat piece on copper soldered on the end . I just sandwiched it between the old antenna base and the phones 3g terminal. also works with rg58 cable and a direct connect amp. The 3g antenna is on the bottom left hand side of the phone.

my inspiration
androidforums.com/evo-4g-tips-tricks/307536-tutorial-how-add-external-4g-antenna-evo.html

Also the connector on the back of the phone is the Hirose ms-156.