Ask testing phone to manager mail

Here is an example of a polite and professional email to a manager requesting a testing phone:

Subject: Request for Testing Phone

Dear [Manager's Name],

I hope this email finds you well. I am reaching out to request a testing phone for [project/task name]. As part of our [project/task name], I need to test the phone's functionality and ensure that it meets our requirements.

Could you please arrange for me to have access to a testing phone for [length of time needed]? I would greatly appreciate it if you could also provide me with any necessary instructions or guidance on how to use the phone.

If there are any specific requirements or restrictions I should be aware of, please let me know. I am available to discuss this further if needed.

Thank you in advance for your assistance.

Best regards, [Your Name]