假设你是卜曼宜，你购买了一步某外国公司生产的手机，因为有质量问题，要求该公司更换。请根据下列要点，用英文写一篇电子邮件。
要点：1.问题：手机不响铃，不能发短信；该产品已经售完，无法更换；型号新，无配件，无法维修
2.要求：公司应该尽快予以更换。
注意：1.词数100左右 2.配件：spare part
Dear Manager,
Last weekend,I bought a mobile phone of your company`s on the Internet.But I find out some serious quality problems of this mobile phone.
First of all,I can`t use this phone to send short messages to my family members or my friends,what is more,mobile phone doesn`t ring when I am making a call.
Secondly,this type phone has been sold out.Everyone who bought your company`s phone can`t find any way to exchange a new phone.
What`s more,the type of your company`s phone is more advanced than other mobilephone`s.And in Chinathere isn`t any suitable spare part of mobile phone,we can`t get it fixed!
All in all,it is said that "customer First".So you must try your best serve for your customer.And you should send a new mobile phone to me in a short time.Don`t put off your action,customers who bought your company`s phones just like me,we are angry!
Yours,
Bumanyi
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