@mrmehul Oh, sorry I didn’t get to you. 2 days no response from me because it didn’t send me a notification. This is why I tend to always @ people so it will notify the person they have a response.
Anyway, your device limit reached means you hit 4 wallets linked in your lifetime. This can happen when using new devices or even uninstalling/reinstalling the browser. You will need to submit a Wallet unlinking request form . You can find details on where to find the information you needed for the form at Unable to re-verify wallet - #118 by Mattches
I did say that before it seems, but repeating because it is important for me to validate what I said after you showed the screenshot. Hopefully you already completed the form and Mattches or other Support members can get it done for you soon.