I purchased mobile phone with sim card from dealer of vodafone.My number is ###.Although their service is good but not economical.Hence I transferred to DOCOMO. I was surprised to know that mobile set can only be used for vodafone and other services are not allowed, as they have fitted security lock.To unlock security code, I went to vodafone gallery at Thakur Village.They declined my request to unlock code.This is just amounts to restrictive trade practice.I am 71yrs old retired person and cannot afford to buy another cell phone read full review »