let’s try to solve the problem.
First of all turn off eDo, wait 30 seconds and then turn the robot back on. When you turn on eDo, the tablet can detect e.DO Wi-Fi.
Can the tablet detect eDo Wi-Fi?
Have you recently updated e.DO to the latest version of the software?
What is the blinking rate of the yellow leds on the print circuit board of the joints? Are they synchronous?