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Differeciation List

This document outlines the differences between the old and new PCBA models PZ186, highlighting changes such as the Bluetooth antenna soldering requirements, IMEI label updates, and software version differences. Key points include the absence of a Bluetooth antenna connector on the old model and the necessity for careful software flashing to avoid malfunctions. Additionally, instructions for resolving CFT issues are provided, emphasizing the proper tools and procedures for successful updates. Ensure you follow the guidelines for compatibility and safe operation.

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Differeciation List

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  1. Differeciation List New Old

  2. 1、PCBA Pcba model No.PZ186 (OLD) Pcba model No.PZ186 (NEW)

  3. 2、ASSEMBLY OLD :No need soldering the BT antenna New : need soldering the BT antenna 新主板此处有蓝牙天线焊盘 旧主板此处无蓝牙天线焊盘

  4. New with BT antenna connector Old Without BT antenna connector 1

  5. New With 3 component old Without 2

  6. 3、IMEI LABEL New Old SW Version 1.0.6 SW Version 2.02

  7. 4、carton label New Old 10/2012 11/2012 旧主板软件版本为1.06 新主板软件版本为2.02

  8. 5、GB label New Old 91112320-05 91112320-04

  9. 6、sw version in handset Old HW PZ186FN_KMO_FOREIGN_v1.0.6 PZ186FM_KMOEB_karbonn_A1_FOREIGN_V2.0.3 New HW PZ286FM_KMOEB_karbonn_A1_FOREIGN_V2.0.2 Note:please make sure that the sw is correct before flash , otherwise the TP would not working if used the incorrect sw

  10. 7、HW info

  11. 8、SW tool (important) Dnot use this Tool (orange ),please delete it from your PC Use this Tool (Green) only, it is along with the released SW

  12. 9,How to solve CFT issue 1,open the tool of “Factory download [FixNV(pz186 pz286)]” 2,connected the mobile with SW data cable (data cable switch on); 3;press the “start”; 4;input the battery ; 5,Done ,take out the battery ; 6,Rewrite the IMEI ; 6,please flash the correct sw (PZ186 or PZ286)according to the Item 6. Note : 1,the tool of “Factory download [FixNV(pz186 pz286)]” is only allowed to be used for the handset with “CFT” issue. 2, the tool of “Factory download [FixNV(pz186 pz286)]” is not allowed to be used for other handsets; 3,please delete the tool of “Factory download [FixNV(pz186 pz286)]” once the issue of “CFT” solved.

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