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Power off the phone. Press BOTH volume button + power button together. Phone will reboot with a menu. Through Volume down button, go to last option in Menu which is BP Tools. Now press Volume up button to select. Phone will reboot and is in DIAG mode now.
Yes as rajan sir said change mode by DFS, it was NV, I write RUIM and reset, Done. Tested on Reliance only as other operator sim not available with me.
Sent from my SCH-R830 using Tapatalk
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It must be in NV_Only Mode, so it will not recognise CDMA SIM & network. Just configure it to RUIM only mode through DFS & it will work. Follow the tutorial on forum on how to put handset in RUIM mode.
The reason behind all the tutorial is, lotsa people call me or pm me to help them, this site has given me friends more like my family.
lot of people have helped me here when i needed it. so doing the same.