For technical support, you have some options, depending on the type of issue you’re experiencing:
For technical assistance, you can check out EA Help FAQs specific to Battlefield 4:
EA Help - Battlefield 4
You can also ask other community members for technical help, tips, and tricks at Answer HQ:
Answer HQ - Battlefield 4
Account issues? Billing questions? Hit up an Advisor at EA Help for one-to-one assistance:
EA Support - Contact