Cover letter

FCC ID: 2AFZZ-XMSF10G

Cover Letter(s)

Download: PDF

FCCID_4330220

Xiaomi Communications Co., Ltd.
The Rainbow City of China Resources,NO.68,Qinghe Middle Street,Haidian
District,Beijing,China
Date: June 24, 2019

Product Equality Declaration

We,Xiaomi Communications Co., Ltd., declare on our sole responsibility for the product of
M1903F10G as below:

The differences between P1 and P2 of M1903F10G are as below:
.
No. Items Change

1 Antenna’s Matching Optimized Antenna’s matching of band 7 & 8

Changed front camera’s FPC shape
2 Camera Added lug on the Rear camera’s structure for easy
assembly
From WCD9370 to WCD9375,optimize the audio
3 Audio IC chip
performance
4 RF Matching Optimized B2、3、5、7、8Tx matching
5 Battery Color from sliver change to black
Front camera’s Changed the connection type for camera & Motor
6
structure module for optimizing the drop issue.
Changed the connection type for camera & Motor
7 Motor module
for optimizing the drop issue.
Optimized some parts & Motor desense；Increase
8 Middle frame
the frame’s conductive foam
Added foam at the four angle of the cover for
9 Battery cover
improve the drop issue.
Increase the copper foil on the shielding case for
10 Shielding case
optimizing desense
11 Antenna holder Changed the graphite flake for heat dissipation
Canceled reserved FM antenna, Camera EMI
12 Main PCB board filter,com port switch for debug,TVS at the NFC
antenna and added camera power filter capacitor
Increased decoupling capacitance on the data for
13 Sub PCB board
improve the crosstalk of CLK &data

Document Created: 2019-06-28 15:47:28
Document Modified: 2019-06-28 15:47:28

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