Submit Runtime Upgrade on Testnet

1. Connect to Testnet via Polkadot.js or CLI

2. Use sudo or governance route to submit runtime upgrade

   • Navigate to sudo → sudoUncheckedWeight or relevant governance pallet.

   • Upload runtime-vX.Y.Z.wasm.

3. Monitor Upgrade

   • Confirm block inclusion.

   • Check runtime version update (system.version).

   • Validate that APIs and pallets are functioning as expected.