How can I increase the volume during a phone call on the I21 True Wireless Stereo Earphones?
To increase the volume during a phone call on your I21 True Wireless Stereo Earphones, you have two primary methods: Using the Earphones: While…
Manuals+ Q&A
I21 True Wireless Stereo Earphones User Manual — questions & answers
Read product questions and troubleshooting answers linked to I21 True Wireless Stereo Earphones User Manual.
Browse topics
Answered questions
How can I fix water-damaged i21 earbuds, perform a factory reset, or purchase replacement parts?
I am sorry to hear about the accident with your i21 earbuds. Based on the manual, here is the guidance for your situation: Troubleshooting/Reset:…
How do I file a warranty claim for my i21 TWS earphones and who do I contact?
According to the Warranty Card section of the i21 manual, the product has a warranty period of 12 months from the date of purchase.…