I got the same issue (bluetooth doesn't work) and after "Factory data reset" I have also problem with weaker and non-stable GSM-signal. (both of them are known-issues)
The soft is: 2.3.3
Lenovo.MP.V1.F9.P4, 2011/09/21 21:36
V1MOD by BM (31-10-2011) for etotalk.com
Can anyone help me with that. I've requested etotalk.com for fixes, but for now they are not responsive.