You recently purchased a mobile phone online, but it has several defects and does not meet your expectations. Write a letter of complaint to the customer service department of the online store. In the letter • describe the product you purchased and mention the specific defects • explain the inconvenience and disappointment caused by the defective product • request a refund or replacement for the faulty mobile phone

Dear Sir/Madam, I am writing to formally express my dissatisfaction with a recent purchase from your online store. Approximately a week ago, I bought an iPhone 16, and regrettably, I have encountered several defects that have significantly affected my experience.

Firstly

Linking Words

, the battery life of the device is subpar; despite charging it overnight, the phone is still not fully charged, a recurring issue that I find quite frustrating.

Additionally

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, the phone frequently hangs, even when I am not actively using it. Most concerning,

however

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, is the fact that the device overheats considerably, whether in use or idle, which raises serious security concerns for me, given that I work in a confidential capacity. These issues not only cause inconvenience in my daily routine but have

also

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left me deeply disappointed with the quality of the product.

Consequently

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, I have decided against seeking a replacement and

instead

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would prefer to explore other models.

Therefore

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, I kindly request a full refund for the faulty iPhone 16 at your earliest convenience. Thank you for your attention to

this

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matter. I look forward to your prompt response. Sincerely, Deepti

deeptic258

Jun 28, 2025

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task achievement

You provide a clear and complete response to the task by describing the product, mentioning the defects, and making a request for a refund. Well done!

coherence

Your letter follows a logical structure. Each paragraph has a clear idea, which makes it easy to read and understand. Great job!

task achievement

You maintain a friendly but professional tone throughout your letter, which is very suitable for a complaint. Keep it up!

content

The specific details about the defects were clearly stated, which strengthens your case. Excellent!

style

Your greeting and closing are polite and appropriate for a formal letter.

Use a variety of complex and simple sentences

You should use complex sentences in your writing, but it does not mean that you should try to make all of our sentences complex.

‘Complex’ sentences are not actually very complex; they are just two or more simple sentences put together. Putting them together makes the essay more coherent and cohesive.

Examples:

I really want to study but I’m too tired.

I wore a warm coat because the weather was cold.

If action is not taken soon on climate change, global warming will get worse.

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8
Linking words
meeting the goal of 7 or more
0
Word repetition
meeting the goal of 3 or fewer
0
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 8.0

Logical structure

Single idea per paragraph

Greeting and closing

Accurate linking words

Variety in linking words

Lexical resource: 9.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 6.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 8.0

Complete response

Suitable writing tone

Appropriate word count

7 paragraphs

184 words

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