Hi! my sister bought me a samsung softbank 821sc from japan! but it doesn't have signal even with a globe/tm sim! what can i do to fix it? a little help will do a lot! tnx sir!

First of all here is the support site for your phone:

http://mb.softbank.jp/en/products/samsung/821sc.html

you may need to unlock the phone for your area. You may need to the software update. Contact Softbank support for assistance. They will be able to walk you through troubleshooting procedure to fix the phones issues.

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