We can convert major phone to RUIM based if they matched the following COnditions

1. Then have 6 Pin Layout on board where we can solder RUIM Tray
2. Phone Should have Sufficient Margin for Slot and RUIM to be plugged in.
3. PPC6700 is already there in China with RUIM as Only Option
4. In India so many Person get PPC6700 from USA and COnvert them into RUIM by above Trick and use it on 2 CDMA Network Reliance or Tata in India.