+(NSString *)convertSimpleUnicodeStr:(NSString *)inputStr{ int unicodeIntValue= strtoul([inputStr UTF8String],0,16); UTF32Char inputChar = 128535; // unicodeIntValue ; inputChar = NSSwapHostIntToLittle(inputChar); NSString *sendStr = [[NSString alloc] initWithBytes:&inputChar length:4 encoding:NSUTF32LittleEndianStringEncoding]; NSLog(@"%@",sendStr); return sendStr; }