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TP-Link Switch Firmware Prevents Matrix Switching and AMP Service

Last updated: Nov 04, 2026

Overview

Certain newer TP-Link switch firmware versions could prevent matrix switching and AMP service functions from working correctly in Standardized Configuration systems.

Resolved in AMP 2.0.2: Update AMP and apply its included device firmware for the system: B3.2.1, MAX v4.5.1, or L1.1.9.1.

The primary resolution is the software and device firmware update below. The switch firmware table and rollback procedure are retained for affected installations that must remain on older releases.

Update AMP and Device Firmware

System Firmware Included with AMP 2.0.2
Omega Series and Ultra Series B3.2.1
MaxColor Series MAX v4.5.1
AMP 2G Legacy Mode L1.1.9.1

Service interruption: Device firmware updates can interrupt video and audio. Perform the update during a maintenance window and keep power and network connections intact.

  1. Download and install AMP 2.0.2.
  2. Use the appropriate AMP firmware workflow to apply the included device firmware for the system. See Omega Series, Ultra Series, and MaxColor Series update instructions or 2G Legacy Mode update instructions.
  3. Confirm the installed device versions, test matrix switching, and test the AMP service function that previously failed.

This resolution addresses the documented switching and service issue. Continue to follow model-specific minimum switch firmware requirements and other supported-switch requirements.

Check an Affected Older Installation

  1. Identify whether the problem affects devices connected to one switch or multiple switches.
  2. Record the complete model name and hardware version for each affected switch.
  3. Log in to each switch webUI and record its running firmware version.
  4. If the system must remain on affected older software or device firmware, compare the switch model, hardware version and firmware with the historical workaround table below.

Match the complete model name and hardware version. TP-Link models with and without the TL- prefix are different hardware models. This table applies only to the listed models and hardware versions.

Historical Switch Firmware Workaround Limits

For the older-release workaround: If the affected installation cannot yet be updated to AMP 2.0.2 and corrected device firmware, use switch firmware that meets the minimum firmware requirement and does not exceed the matching historical workaround limit below. These are workaround limits for this issue, not a new universal maximum for systems using the resolved release.

Switch Model Hardware Version Maximum Supported Firmware
SG3428MP V5 5.0.17
V6.20
V6.26		 6.20.16
Build 20251031
V6.30
V6.36		 6.30.0
Build 20251125
SG3428XF V1.20
V1.26		 1.20.13
Build 20251031
V1.30
V1.36		 1.30.0
Build 20251016
SG3428XMP V3.20
V3.26		 3.20.17
Build 20251031
V3.30
V3.36		 3.30.0
Build 20251125
SG3428XMPP V1
V1.60		 1.0.13
V1.20
V1.26		 1.20.0
SG3452P V3 3.0.10
Build 20250123
V3.30
V3.32		 3.30.14
Build 20251031
V3.40
V3.46		 3.40.0
Build 20251210
SG3452XP V2.20
V2.26		 2.20.16
Build 20251031
V2.30
V2.36		 2.30.0
Build 20251212
SG3452XMPP V1
V1.60		 1.0.12
V1.20
V1.26		 1.20.0

Historical Rollback Workaround

Use this rollback workaround only for an affected installation that must remain on older AMP or device firmware. If its switch firmware exceeds the matching table limit, return the switch to a listed compatible version.

Changing switch firmware interrupts service when the switch reboots. Perform the work on-site during a maintenance window, retain a backup of the switch configuration, and review the firmware release notes for downgrade restrictions. Do not disconnect power or Ethernet during the firmware upload.

For this older-release workaround, rolling back the switch resolves the issue without re-uploading the switch configuration file. The existing configuration can remain in place.

  1. Download firmware matching the exact switch model and hardware version from the TP-Link Download Center. Select a version that meets the minimum requirement and does not exceed the maximum listed above.
  2. Extract the firmware file from the downloaded archive.
  3. Log in to the switch webUI.
  4. Follow the standalone procedure in TP-Link's firmware upgrade and downgrade guide to upload the firmware and boot the switch using that image.
  5. After the switch reboots, log in again and confirm that the running firmware is the selected supported version.

Verification

Confirm that switching through the control system and the affected AMP service function both work. In a multi-switch system, test the paths through each affected switch.

If the issue remains after applying AMP 2.0.2 and the correct device firmware, or after using the older-release rollback workaround, contact Just Add Power Technical Support. Include the switch model, hardware version, switch firmware, device firmware, AMP version, and the function that fails.