Lenovo A1000 S575 SPRD7731 20170210 SPD Firmware BY firmware.gem-flash.com
Lenovo A1000m S552 20161128 SPRD7731 ROW Firmware BY firmware.gem-flash.com
Lenovo A1000m S399 20160701 SPRD7731 ROW SPD Firmware BY firmware.gem-flash.com
Latest firmware version Lenovo A1000m .. One file PAC A1000m_USR_S575_20170209_SPRD7731_ROW.pac Note: File size after extract: 1.36G