On 4 Jul 2016, John Larkin wrote:

Maybe the phone connector is damaged. It gets a lot of wear. My phone
has some damaged pins that mangled the mates too. It has
cradle-charging connections on the side, so I use that now.

I think the fact that for 6 weeks theres no problem eliminates the
possibility that the phone connector is damaged.

Its not the electrical pins, its the robustness of the physical
retention mechanism.

Thanks,
Dave