Delete SMS of Samsung 1860 in batches.

According to your description, 1860 mobile phone has not been listed in China at present or your model number has been entered incorrectly. I suggest you check the model information specifically. You can remove the battery and check the model information on the white sticker. So that we can provide targeted information. At the same time, you can also visit Samsung official website for reference:

At the same time, you can refer to:

1. In the standby interface, click Information-click the function key on the left-delete the session-select the information to be deleted (tick)-click Delete (then).

2. In the standby interface, click Information-long press the information to be deleted-click Delete (just click).

If you have any comments, suggestions and comments, please click: support.samsung.com.cn/survey.