HI Mauri,
Thank you for posting and welcome to the community. I'm sorry to hear you are having trouble with your left headphones.
Could you please confirm for us which headphones you have? As how we troubleshoot will depend on the headphones. To contact your local Technical Support team in Mexico, you can find the contact details HERE and they will be happy to help.
Kind Regards,
Keith_L - Community Support -
Thanks for getting back to us Mauri.
The number that we linked to earlier is the only number available for contacting your local technical support team, we do not have another we could give you.
I do apologise that you have been unable to reach them so far, but they are the best bet for you to get this issue resolved.
Kind Regards,
Keith_L - Community Support -