indexPath does not match contents in tableView

I'm loading a tableView from a array loaded with arrays , this whole load process is working perfectly, however, when I update tableView ( reloadData ) with the same information and I have the scroll in the middle of the list, for example, the index's get lost, that is, when I access a cell, it loads information from another. On the other hand, if Scroll is at the top of tableView , even updating, this problem does not occur. Here is the code:

    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
     {

    static NSString *CellIdentifier = @"cell_aux";

    clsTableViewCell *cell = (clsTableViewCell*) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil)
    {
        NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"cell_aux" owner:self options:nil];
        cell = (clsTableViewCell *)[nib objectAtIndex:0];
    }

    [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];

    arInfos = [[NSArray alloc] initWithArray:[[arMain objectAtIndex:indexPath.row]                  componentsSeparatedByString:@"|"]];

    [arInfosAll addObject:arInfos];

    NSURL *imgURL = [NSURL URLWithString:[arInfos objectAtIndex:4]];

    UIImage *Noimg=[UIImage imageNamed:@"NoImage.png"];
    cell.img.image = Noimg;


    cell.lblNome.text = [arInfos objectAtIndex:1];
    cell.lblEndereco.text =[arInfos objectAtIndex:2];

    NSURLRequest* request = [NSURLRequest requestWithURL:imgURL];
    [NSURLConnection sendAsynchronousRequest:request
                                           queue:[NSOperationQueue mainQueue]
                               completionHandler:^(NSURLResponse * response,
                                                   NSData *imgData,
                                                   NSError * error)
        {
                                   if (!error)
                                   {
                                       UIImage *img = [UIImage imageWithData:imgData];
                                       cell.img.image = img;
                                   }

                               }];
        }

    return cell;
}