If your router is stuck on an old version or you purchased it third-party (e.g., from eBay or Walmart ), you may need to force an update.
A major branch update seen in recent open-source documentation. How to Check Your Firmware Version cr1000a firmware
A: For security reasons, Verizon does not allow end-users to downgrade firmware versions. If a new version causes critical bugs, you must contact Verizon Support to report the issue. If your router is stuck on an old
– If the router is ISP-locked, they control firmware releases. from eBay or Walmart )