Orbi works then does not work

The most recent firmware upgrades did help. try to do so manually.

https://www.netgear.com/support/product/RBK22.aspx

here's how:

https://kb.netgear.com/31573/How-do-I-manually-upgrade-firmware-on-my-Orbi-Satellite

To manually update the firmware on your Orbi router and satellite, follow these high level steps:

1. Download the firmware for both your Orbi router and satellite.
2. Update the firmware on your Orbi satellite.
3. Update the firmware on your Orbi router.

To download the firmware for your Orbi router and satellite:

1. Download the firmware for your Orbi satellite from the NETGEAR Download Center, save it to your desktop, and unzip the file if needed.
2. Using a computer that is connected to your Orbi router via an Ethernet cable (wired), launch a web browser from a computer.
   Note: Do not use a computer that is connected wirelessly to the router to upload the firmware. A wireless firmware update might corrupt the router’s firmware, rendering it unusable.
3. Enter http://orbilogin.com.
4. Enter the user name and password.
   Note: The user name is admin. Enter the password that you created during initial setup. The user name and password are case-sensitive.
5. Click Advanced > Administration > Firmware Update.
6. Click the Manual Update tab.
   The firmware update page displays.
   Note: We recommend that you always update the firmware on your Orbi satellite(s) first, and then update your router. Do not update the firmware on your Orbi router and satellite at the same time.

To update the firmware on your Orbi satellite, do the following:

1. Select the check box next to your satellite's model name.
2. Click the Update button.
   The Orbi satellite Firmware Update window opens.
3. If the browser asks you for the admin password, enter the same password you entered for the Orbi router.
4. Click the BROWSE button, then locate and select the file that ends in .img or .chk on your desktop.
   Be careful not to select the wrong file.
5. Click the UPLOAD button to upload the firmware file.
   It takes a few minutes to complete the process.
6. After Orbi satellite finishes updating, select Status and double check the firmware version on the Status page.
   The firmware on your Orbi satellite is updated.

To update the firmware on your Orbi router, do the following:

1. Return to http://orbilogin.com.
   The BASIC Home page displays.
2. Go back to the Firmware Update page:
   1. Select ADVANCED > Administration > Firmware Update.
   2. Click the Manual Update tab.
   3. Click the Browse button, then locate and select the file that ends in .img on your desktop.
      Be careful not to select the wrong file.
   4. Click the UPLOAD button to upload the firmware file.
      It takes a few minutes to finish the process.
      The page adjusts.
   5. Click the YES button to continue.
   6. After the Orbi router finishes updating, double check the firmware version in the upper-right corner.
      The firmware on your Orbi router is updated.