Xiaomi unveiled the Mi MIX 2S this week, but it did not feature an in-display fingerprint sensor as rumored earlier. Xiaomi smartphone code-named dipper surfaced in benchmarks with Snapdragon 845, 6GB RAM and Android 8.0, which is rumored to be Mi 7. According to the source code, the Mi 7 might not come with a fingerprint sensor, however Xiaomi is testing an in-display fingerprint scanner on dipperold, which could be the Mi 7 Plus. Dipperold’s firmware reveals two fingerprint sensors are sourced from Synaptics and Goodix. The name goodix_fod could be "fingerprint on display". The source code also classes with the name “Gxzw” with strings referencing both of the fingerprint scanners mentioned in dipperold’s firmware. The Xiaomi Mi 7 Plus is code-named ursa, which might come with an OLED display with a notch, Qualcomm Snapdragon 845 SoC and a 4,000 mAh battery. Even though it is not confirmed that the device will be called the Mi 7 Plus, it is confirmed that Xiaomi is testing an in-display fingerprint sensor for its next flagship. Source 
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