How to get a Return Merchandise Authorization (RMA) for my device? ================================================================== This article provides instructions on how you can get an RMA (Return Merchandise Authorization) for the device you have purchased from RingCentral. How to get a Return Merchandise Authorization (RMA) for my device? ------------------------------------------------------------------ * Check if your issues are listed and can be resolved through troubleshooting by following the steps on [Troubleshooting audio quality for deskphones](https://support.ringcentral.com/article-v2/Troubleshooting-audio-quality-for-deskphones.html?brand=RingCentral&product=RingEX&language=en_US ""). * If you continue to encounter issues and think that your device might need a replacement, prepare the device's Serial Number or MAC address. The Serial Number or MAC address sticker is located on the lower back portion of the phone which is an alphanumeric string. Below are samples of Serial Numbers/ MAC Addresses on devices: |-------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **Cisco** | Cisco Phones have different Serial Number and MAC Address. You will need to take note of the **Serial Number** for Cisco Phones. ![Cisco serial number](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/772/images/ka12H000000SokDQAS_en_US_4_0.png) | | **Polycom** | Polycom phones have the same Serial Number and MAC Address. ![Polycom serial number](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/772/images/ka12H000000SokDQAS_en_US_4_1.png) | | **Yealink** | Yealink Phones have different Serial Number and Mac Address. You will need to take note of the **MAC Address** for Yealink Phones. ![Yealink MAC address](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/772/images/ka12H000000SokDQAS_en_US_4_2.png) | * When you have the following information on hand, contact [support](https://support.ringcentral.com/contact-support.html "") to assist you with determining if your device/equipment, e.g., phone. needs a replacement. * You may also check for information If your device is qualified for replacement. Go to [Shipping Best Practices for your device orders or replacements](https://support.ringcentral.com/article-v2/8268.html?brand=RC_US&product=RingEX&language=en_US "") for tips on getting accurate address matches.