Complaint regarding Poor repair work and customer services at Oukitel phone

I am writing to formally raise a complaint regarding the repair service I received for my Oukitel phone. While I understand that rugged phones may have limitations, I believe the issue I am experiencing is due to poor workmanship rather than the phone itself.

Eight months ago, I took my Oukitel device in for a screen replacement and paid for both the new screen and the repair service. However, the screen has now detached from the phone—not due to any recklessness on my part, but because the adhesive used during the repair failed. Given that this is a rugged phone, it is particularly concerning that the repair did not hold up under normal use.

When I returned to report the issue, I was told that I would need to pay for another screen replacement and labor costs, yet there is no assurance that the same problem will not occur again. Additionally, I was disappointed by the unprofessional and rude treatment I received from your customer service team when I sought assistance.

I would like to request a fair resolution to this matter. Specifically, I believe a free or discounted repair should be offered since the failure appears to be due to poor workmanship. Additionally, I request a clear guarantee that the repair will be done correctly this time.

Please let me know how you intend to resolve this matter. I look forward to your prompt response.