Below are all of the certified HW/SW versions of this product. Manufacturer: Sony EricssonModel #: LT15i (AAD-3880097-BV)Supported Technologiesand Frequency Bands: GSM: 850/900/1800/1900, UMTS FDD: Band I/Band VIII HW Version SW Version Request Type Date CertifiedA 4.0.2.A.0.61 ECO Dec 12, 2011A 4.0.2.D.0.4 ECO Dec 2, 2011A 4.0.2.A.0.58 ECO Oct 21, 2011A 4.0.2.A.0.42 ECO Oct 7, 2011A 4.0.1.C.0.86 ECO Oct 4, 2011A 4.0.1.A.0.283 ECO Sep 16, 2011A 4.0.1.A.0.266 ECO Sep 6, 2011A 4.0.A.2.377 ECO Sep 2, 2011A 3.0.1.A.1.19 ECO Aug 29, 2011A 4.0.A.2.371 ECO Aug 24, 2011A 4.0.A.2.368 ECO Aug 2, 2011A 4.0.A.2.364 ECO Jul 20, 2011A 4.0.A.2.362 ECO Jul 19, 2011A 3.0.1.A.0.151 ECO Jul 11, 2011A 3.0.1.A.1.17 ECO Jul 11, 2011A 4.0.A.2.335 ECO Jul 6, 2011A 3.0.1.A.0.150 ECO Jun 30, 2011A 3.0.1.A.0.148 ECO Jun 20, 2011A 3.0.1.A.0.146 ECO Jun 20, 2011A 3.0.1.A.0.145 ECO May 24, 2011A 3.0.A.2.187 ECO May 17, 2011A 3.0.J.2.3 ECO May 17, 2011A 3.0.1.A.0.143 ECO May 13, 2011A 3.0.1.A.0.138 ECO May 3, 2011A 3.0.1.A.0.126 ECO Apr 28, 2011A 3.0.A.2.184 ECO Mar 25, 2011A 3.0.A.2.182 ECO Mar 25, 2011A 3.0.A.2.181 ECO Mar 25, 2011A 3.0.A.2.179 ECO Mar 25, 2011A 3.0.A.2.170 ECO Mar 25, 2011A 3.0.A.2.157 ECO Mar 25, 2011A 3.0.A.2.118 ECO Mar 17, 2011A 3.0.A.2.91 Variant Mar 15, 2011
