Can I fix this bugs-GTASA Android version 2.0

[Sabre442]

After I download GTASA Android 2.0,I use my save file from Social club (Saved by my iOS device before) and I meet this bug.Just meet in Doherty,San Fierro,the only crane in the construction always rotate around the shaft and Cement hole in mission Deconstruction has been disappeared.Go a little further to nearest fire department,the surrounding walls disappeared, revealing Blue hell,and cement hole appear above the Firetruck.Final,I go to crack factory on mission Yay Ka Boom Boom,and the wall of the broken factory flicker,like the two factory texture are being inserted.I have downloaded a lot of file save,but just only fire department wall can be fix,and disappear in different save.I don't have more problem with flicker screen.Help me!