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| [[File:SIM_3in1.png|left|230px]] <b>FMX6 devices use Standard size SIM cards for SIM1 and SIM2. Currently most of the SIM cards provided by operators can be disassembled into 3 parts - Standard/Micro/Nano. Depending on the SIM card construction - during device usage in harsh conditions, SIM assembly might come apart which causes instability when connecting to operator.<br> | | [[File:SIM_3in1.png|left|230px]] <b>FMX6 devices use Standard size SIM cards for SIM1 and SIM2. Currently most of the SIM cards provided by operators can be disassembled into 3 parts - Standard/Micro/Nano. Depending on the SIM card construction - during device usage in harsh conditions, SIM assembly might come apart which causes instability when connecting to operator.<br> |
− | To avoid such risk:<br> | + | To avoid such risk:<br> |
− | 1) Do not use SIM cards that were previously disassembled (SIM was taken apart previously)<br> | + | 1) If possible - ask operator for Standard SIM card with solid construction (not pre-cut to 3 parts) <br> |
− | 2) If you plan to use only one SIM card - insert it into SIM1 slot (lower slot) - this ensures greater pressure on SIM contacts as the contact bed is pushed by PCB.<br>
| + | 2) Do not use SIM cards that were previously disassembled (SIM was taken apart previously)<br> |
| + | 3) If you plan to use only one SIM card - insert it into SIM1 slot (lower slot) - this ensures greater pressure on SIM contacts as the contact bed is pushed by PCB.<br> |
| When 2 SIM cards are used simultaneously risk is mitigated as well - when SIM1 is inserted, a greater pressure is applied for SIM2, so SIM parts are harder to come lose </b><br> | | When 2 SIM cards are used simultaneously risk is mitigated as well - when SIM1 is inserted, a greater pressure is applied for SIM2, so SIM parts are harder to come lose </b><br> |
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| =='''How to insert microSD card into {{{model|FMB640}}}'''== | | =='''How to insert microSD card into {{{model|FMB640}}}'''== |
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| [[File:Micro sd insert V1.2.gif|500px|right]] | | [[File:Micro sd insert V1.2.gif|500px|right]] |
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| # Push microSD card lock case. | | # Push microSD card lock case. |
| # Open microSD card locker. | | # Open microSD card locker. |