huaweimatepadt8otgsupport

InshortOTGallowsyourHuaweiphonetotransferfileseitherFROMYOURDEVICETOAUSBorVICEVERSAwhetheritbephotos,documentsoraudiofiles.,...華為手機/平板電腦預設支援OTG功能（系統為EMUI5.0以上版本），請依照以下順序連接使用：.請先將外接裝置（USB隨身碟、NM卡、行動硬碟等）接上OTG線或讀卡器。,microSDCard**,supportexFATandFAT32format,support512GBmaximum.*the...OTG:Supported(maximumoutputcurrent5V/1Aduringreverse...

參考資訊如下
Huawei OTG (Use & Tutorial)

In short OTG allows your Huawei phone to transfer files either FROM YOUR DEVICE TO A USB or VICE VERSA whether it be photos, documents or audio files.

華為手機平板電腦透過OTG 無法辨識外接裝置

... 華為手機/平板電腦預設支援OTG 功能（系統為EMUI 5.0 以上版本），請依照以下順序連接使用：. 請先將外接裝置（USB 隨身碟、NM 卡、行動硬碟等）接上OTG 線或讀卡器。

HUAWEI MatePad T 8 Specifications

microSD Card**, support exFAT and FAT32 format, support 512 GB maximum. *the ... OTG: Supported (maximum output current 5V / 1A during reverse power supply)