A:Answer Hi Sandy!
Thank you for reaching out to us. We appreciate your interest in knowing how to get a user's manual for Galaxy A12 (AT&T). No worries, Samsung will take care of the user's manual for your phone.
You may access this link for Galaxy A12 (AT&T) user's manual: https://downloadcenter.samsung.com/content/UM/202107/20210701003717406/SAM_A125_EN_UM_R_11.0_032921_FINAL_AC.pdf.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Reference #: 1144317699
Have a great day.
Melardo