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Esp32 ble transfer speed : r/esp32

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ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as well. I'm working on a project with esp32 cam and we need to send raw image data from esp32 to smartphone. Initially we have done it with bluetooth serial (bluetooth classic), but we also need support for ios devices, unfortunatelly iphones do not support serial bluetooth. Therefore we had to switch to BLE (bluetooth low energy). But now the problem is data transfer speed. I achieved maximum of 1500 B/s which is a lot slower than previous. I read in the docs for esp32 that transfer speed for BLE should reach up to 700kb/s. Does any of you know how I can achieve that? Bluetooth is proba

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