It would be good for BT to implement away 4BT home tech experts to be trained up to be able to repair ee Mobile devices should people have difficulty getting to a ee shop
Actual physical repair of consumer electronics on-site seems like quite an ask to me. The ability to perform an on-the-spot swap so the defective device can be removed for repair/rework/recycle would seem far more sensible, cost-effective, and frankly safe!