升级前是 # begin build properties
# autogenerated by buildinfo.sh
ro.build.id=JOP40D
ro.build.display.id=HT-I860-H01-S02-CMCC
ro.build.display.intid=Haier_HT-I860_T815_M00_S08A_130802
ro.build.display.customerid=HT-I860-H01-S08A-130802
ro.build.display.ctaid=HT-I860-H01-S08A-130802
ro.build.version.incremental=eng.root.1375440078
ro.custom.build.version=1375440078
ro.build.version.sdk=17
ro.build.version.codename=REL
ro.build.version.release=4.2.1
ro.build.date=2013年 08月 02日 星期五 18:42:48 CST
ro.build.date.utc=1375440168
ro.build.type=user
ro.build.user=root
ro.build.host=sw11-desktop
ro.build.tags=test-keys
ro.product.model=HT-I860
ro.product.brand=Haier
ro.product.name=HT-I860
ro.product.device=HT-I860
ro.product.board=techain89_cmcc_jb2
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=Haier
ro.product.locale.language=zh
ro.product.locale.region=CN
ro.wifi.channels=
ro.board.platform=
# ro.build.product is obsolete; use ro.product.device
ro.build.product=