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Flashing OTA on TP-Link Tapo S505D with CMS8S5880 and RTL8720CM Components

omniron 849 1
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  • #1 20901872
    omniron
    Level 10  
    Hey all,
    got a few of these, thinking it would be an easy OTA fix, but wow.
    https://www.amazon.com/dp/B0C2B8SP3W

    Printed circuit board with various electronic components.

    found these parts inside:

    CMS8S5880
    https://www.mcu.com.cn/en//Products/83
    8051, 16KB Flash, 24MHz
    CMS8S5880 is an enhanced Flash MCU with 1T 8051 core, working voltage 2.1V-4.5V, main frequency up to 24MHz, I/O up to 18, ADC, PWM, 2 UART, 1 SPI, 1 I2C, sleep state
    The lower quiescent current is less than 6uA, and it can work from -40°C to 105°C


    RTL8720CM
    SINGLE-CHIP 802.11b/g/n 1T1R WLAN + Bluetooth SoC


    QH32B-104HIP
    cFeon q32b-104hip EN25Q32B
    32 Megabit (4096K-byte) SPI Serial Flash memory


    T1235H
    12 A, 800 V, Snubberless Triac


    AC/DC
    3210BSG
    P8KNF

    Can these be flashed OTA?

    Close-up of a circuit board with various electronic components. Close-up of electronic components on a circuit board with various components. Close-up of a circuit board with various electronic components, including a coil, capacitors, and resistors. Printed circuit board with Tapo S505D(US)/1.6 label
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  • Helpful post
    #2 20902948
    p.kaczmarek2
    Moderator Smart Home
    This chip is not supported yet, and futhermore, there is no OTA for those platform whatsoever. I'll let you know once it changes, currently we're porting OBK to LN882H, maybe this platform will be next.

    Considering that the chip is on the PCB itself, you just have to wait for now.
    Helpful post? Buy me a coffee.
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