I want to use the Wi-Fi and Mobile Data (cellular) interfaces simultaneously on my Android 11 Galaxy Tab S7 5G device. The setting "Mobile data always active" does indeed allow fast interface-changeover. However, both interfaces are never data-accessible simultaneously. Using a third-party channel-bonding VPN service, called Speedify, this is possible on this Galaxy Tab S7 5G tablet. Also, a Google Pixel running Android 11 is also able to use both interfaces simultaneously, without any third-party utility help. How can I use both interfaces on a Galaxy Tab S7 5G without using Speedify (not possible because of security and business reasons)?
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I will accept this (cannot be done) as an answer. If you could indulge another question... If I wanted to roll my own channel bonding solution, I assume I would need to create a VPN, which would somehow allow simultaneous Wi-Fi and Mobile Data communications, correct?
Will look into No Root. Speedify does work great and does offer the channel bonding required. However, due to security policies, we cannot route traffic through a third-party VPN. Speedify does something on the Android tablet itself to facilitate channel bonding. Also, Speedify creates a tunnel interface via a VPN which may be required for channel-bonding.
As noted previously, Google Pixel phones do allow this type of channel-bonding. Any more thoughts on how this might be accomplished on any Samsung Tablet would be appreciated.
I did read elsewhere there are ways of using standard VPN tunnels with split-tunneling to use multiple interfaces on one device. The author provided no details.
How would you implement VPN tunnels with split-tunneling?