OPPO R9s Review: Call Quality
R9s is OPPO's main sales model. This smartphone is running on a Qualcomm Snapdragon Octa-core processor, 4GB RAM and 64GB onboard storage. Both of its front and rear cameras are 16MP. It has a 5.5-inch AMOLED display screen, and supports VOOC fast charging. This article is about to discuss the call quality of R9s.
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  • OPPO R17 and vivo X23 are similar in appearance, these "brothers" have some similarities in hardware and design, but the difference between system and software is quite obvious. So, is the R17's voice call and noise reduction performance better?
    The rear camera desien of R17 is different from the elder generations, for a 5MP sub-camera replacing the 20MP sub-camera. Will this new design bring goods or bads?
    Although the Find X automatic lifting and edge-curved screen design has been widely recognized and praised by domestic and foreign technology media, the R series is the main force of OPPO in the market, and this series will have to bear more in the background of this year's declining mobile phone market.
    OPPO R17 adopts rear dual-camera, with 16MP and a 5MP one, nothing special. How will it perform? This set of photos in daylight scenes will reflect its ability. Most of the photos are taken at the same time with vivo X23, which one will be better?
    R17 is equipped with Qualcomm Snapdragon 670 processor, starts from 6GB of RAM and 128 GB of internal storage. It has a 6.4-inch AMOLED display, with water-drop-shaped notch, hidden in the notch is the 25MP selfie camera, and also in-display fingerprint sensor.
    Find is the flagship series of OPPO, but for various reasons, this series has been paused updated for several years. Until this year, Find was restarted. The Find after the comeback was named Find X. As you can see, it is amazing, no doubt, one of the most popular models. Its dual-rail lifting structure hides the front and rear cameras in the fuselage. Does this design have a positive or negative impact on imaging?
    vivo and OPPO both released their unique flagships. How about their cameras? Here are 10 comparsions, covering from indoor and outdoor, day light to night, seaside to inland. Which one is the better?
    OPPO Find X is one of the hottest smartphone since its release. The lifting structure not only attracts attention, but also increases the difficulty in optics design. Will Find X be a good camera, especially in low light scenes? This set of photos will give you an answer.
    After years of pursing, OPPO finally released their latest flagship, Find X. It sports real dual-camera, with an 20MP one and an 16MP one, both are F2.0 aperture, with about 24mm equivalent focus length. OPPO Find series were the tier 1 in the old days, will Find X be?
    This year, OPPO launched the Find X, the top automatic lifting mechanism design and the dual-edge-curved AMOLED screen brought a very high screen-to-body ratio, and it is also one of the most eye-catching domestic mobile phones this year. Soomal believes that many people have already made a choice between the NEX and Find X. Can Find X's performance on voice calls become a plus item?
    OPPO Find X not only configures the high-end mainstream Snapdragon 845 processor, but also hides the top earpiece, camera and structured light recognition system by means of the top automatic lifting mechanism, which brings a high screen ratio and eliminates the notch.
    OPPO finally released their long-lost flagship, Find series, returning to the high-end smartphone competition. OPPO uses a unique sliding structure hiding front and rear cameras, as soon as the structure light module. In the front side, it is covered by a 6.42-inch panoramic arc AMOLED screen with resolution of 2340x1080.
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