U11 adaptor was popular for a short while unexpectedly. There are still many people who have a special demand for audio have a strong desire to upgrade smartphone audio. Does any manufacturer want to develop this market? There is a remaining problem needed to be verified in former review.

The highest score in the DXOMark Mobile ranking was the greatest selling point of HTC U11, for it means the camera has the supreme image quality to outshine other competitive products. We are deeply attracted by U11. We have had a headcanon about how U11 would beat those best camera phones like Galaxy S8, Pixel XL and Lumia 950XL as soon as possible.

The newly Huawei Honor 9 sports the AKM Hi-Fi chip with enticing advertisement: With innovative ultra-wide 3D sound field technology, you'll be able to enjoy virtual surround sound through your earphones in three different modes. Immerse yourself in music, whenever, wherever. Audio fine-tuning by Grammy Award winner Rainer Mailler.

Huawei Honor 9 is equipped with Hisilicon Kirin 960 SoC, supporting dual-standby. It is also the first Hi-Fi Huawei smartphone, with AK4376 DAC and supporting 24bit/192kHz audio. We believe lots users are interested in the display performance of Honor 9.

The success of R series making OPPO become the top 5 brands of the global mobile phone market, which is not an accident. R series has been positioned as a balanced smartphone in all aspects. It comes with dual-camera, will it be better than the R9s?

R11 comes with the latest Qualcomm Snapdragon 660, 4GB RAM and 64GB internal storage, VOOC quick charge up to 4A, and dual standby supporting all wireless network in China mainland. It is sold from 2999 RMB (about $450). Will OPPO upgrade the display screen in colors?

OnePlus 5 maintains affordable high performance. In addition to the Qualcomm Snapdragon 835 processor and 6GB RAM, it also has a balanced configuration without obvious shortage. How's its display?

Xperia XZ Premium is the latest Sony flagship smartphone, Except the Sony brand, the 4K solution HDR display screen and latest Exmor RS IMX400 also attracts lots attention. Calls are still the fundamental function of a phone, will it be good? Now, let's have a look at it.

OnePlus 5 is OPPOish in appearance, but keeps its high-performance with affordable price. It comes with Qualcomm Snapdragon 835 processor, 6/8GB RAM for just $479/539. As usual, we are also concerning about the call quality of it.

OPPO R11 is the best seller for now. It comes with the latest Qualcomm Snapdragon 660, and the same dual camera with iPhone. This 2999-RMB smartphone was just OPPOish in our display and audio review. Will it be better in call quality?

Samsung smartphone flagship cameras had been a benchmark since Galaxy S6. Because of S7's outstanding, S8 series are highly expected. How good S8 will be? Not us, but also smartphone fans and industry are concentrating.

Because of the Walkman and Alpha system, Sony smartphones should have good audio and photography performance. The latest Xperia XZ Premium enhanced both, especially in sound, and claims "Always pushing the boundaries of sound", which attracted us to buy one for a test.