I have purchased CDMA Wireless Phone set with a model LSP-340E from the Reliance Telecommunications outlet, Central Plaza, Naz center, Guntur, A.P. in the May-2005 . for the last one year it is not charging well and working properly and i took it to the outlet where i have purchased, on checking my phone set they stated there a problem in the mother board and repaired the same, from there it worked properly for 2to3 days again it is...