... but your app send 00a40000 response 6a86.

Yes, this should be one of the valid SELECT FILE commands for selecting the master file. From your log, you can see there are other master file selection commands being sent prior to the final error. This happens here:

dmrtd/lib/src/proto/mrtd_api.dart

Lines 111 to 124 in be55ab5

    
             await icc.selectFile(cla: ISO7816_CLA.NO_SM, p1: 0, p2: 0) 
        
               .onError<ICCError>((error, stackTrace) async { 
        
                 _log.warning("Couldn't select MF by P1: 0, P2: 0 sw=${error.sw}, re-trying to select MF with FileID=3F00"); 
        
                 return await icc.selectFile(cla: ISO7816_CLA.NO_SM, p1: 0, p2: 0, data: Uint8List.fromList([0x3F, 0x00])) 
        
                   .onError<ICCError>((error, stackTrace) async { 
        
                     _log.warning("Couldn't select MF by P1=0, P2=0, FileID=3F00 sw=${error.sw}, re-trying to select MF with P2=0x0C and FileID=3F00"); 
        
                     return await icc.selectFileById(p2: _defaultSelectP2, fileId: Uint8List.fromList([0x3F, 0x00])) 
        
                       .onError<ICCError>((error, stackTrace) async { 
        
                         _log.warning("Couldn't select MF by P1=0, P2=0x0C, FileID=3F00 sw=${error.sw}, re-trying to select MF with P2=0x0C"); 
        
                         return await icc.selectFile(cla: ISO7816_CLA.NO_SM, p1: 0, p2: _defaultSelectP2); 
        
                     }); 
        
                   }); 
        
               }); 
        
           }

It looks like your card either doesn't support any of these commands, or if the master file is already selected (android), the card sends the wrong status word (SW) for the file being already selected.

... i try send 00a4020c02011c and it response 9000 ...

You are trying to select EF.CardAcces here, right?
What happens if you send redFileBySFI instead?

dmrtd/lib/src/passport.dart

Line 104 in a976610

await _exec(() => _api.readFileBySFI(EfCardAccess.SFI))

Can't Read VietNam IDCard #28

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