Suffix Explanation for After-sales Motherboard

1. Background

In order to improve the efficiency of overseas writing tools and avoid cross-regional sales by writing New IMEI number. From F7 (CPH1819 & CPH1821), all the motherboards are written IMEI number in the factory. After the IMEI number is written, it is sent to various overseas regions. There is no need to write a number in overseas.

2. Reason 

In order to realize the operation of writing number in the factory, it is necessary to distinguish the after-sale IMEI number and sale IMEI number and maintain the uploaded software name according to the model name + area, we establish abbreviations for the after-sales motherboard to distinguish the region; To distinguish the abbreviations of different bands from the same region, we adopted Chinese pinyin YT / YJ / QP as the model suffix to represent Asia-Pacific version / Simplified Asia-Pacific version / Full-band separately, for example: CPH1819YT, CPH1819YJ, CPH1819QP.

3. Involved models

F7 series, F7youth & realme1 & A73s series, R15 / R15 Pro series, A3 series, A3s series, A5 series, find X series, F9 series and all subsequent models.

4. Explanation

CPH1819YT indicates that the model is CPH1819 (F7), and YT indicates that the mobile phone band is the Asia-Pacific version; CPH1819YT indicates that the motherboard is an after-sales motherboard, and is the Asia-Pacific version of the motherboard.
Similarly: CPH1819YJ indicates that the motherboard is an F7 after-sales motherboard and is a Simplified Asia-Pacific version.
Similarly: CPH1819QP indicates that the motherboard is an F7 after-sales motherboard and is a full-band version.