letter of complaint, you have been attempting to contact your cellphone service provider to sort out a problem with you cellphone, but all you encounter is a pre-recorded voice requesting you to select various options without providing a solution. 120 to 150 words letter of complaint, you have been attempting to contact your cellphone service provider to sort out a problem with you cellphone, but all you encounter is a pre-recorded voice requesting you to select various options without providing a solution. 120 to 150 words​