第一步：安装METAlaui IET - Build 9. 1T?4.20.DO第二步:打开META,点击Reconnect,（在手机关机状态下）插入USB,进入META模式. 注：如果默认打开不是“Update parameter”。在下拉框里选择此项。进入META后会弹出对话框，选择“NO”选项进行DB文件选择，选择“后缀是lwg_n的 文件”T3USB COMBB chipNo，-;冈Action Opt i ons Kelplaui BETA - Build 9. 1724.20.00 - General: 2018-01-03 - 16:09:47Total read 22, 918 byte:Connected with target|Update parameterConnection TypeDisconnectSmart PhoneReconnectC DongleFlow control ； r SupportQ Software 厂 Aulo Control Pdwer SupplyC HardwareMD1,SW1:LWG2G RF 3G FDD RFMTS1S9RF MTE169(* Smart PhoneC Feature PhoneTool can load NVRAM database from Target.Click Yes to load or ckick No to select the database by yourself.然后弹出对话框，点击确定。弹出对话框，如下图，点击“Load From File”选择“1515LWGini”文件导入.C2KBB chip-XAction Qp t i ons Help16:09:47laui IETA Build 9.1724.20.00 - General: 2018-01-03 Update ParaMeterFinish initializing UI di splay.(Update parameterOption1:LWGUpload From FlashLoad From FileConnected with targetConnection TyperDisco nn ectectRF RAT Support Indicator:Down load 応 FlashSave lb File1, 956 bytesCoimect t ar get success fullyGSM TDSCDMA WCDMAUTEOperation descriptionSelect calibration item.ffi 0 General Item ffl 0 GSM ItemE- 0 VW DMA Item i-0 LTE Item2G RF 3G FDD RFMT6169RFMT 61693*也cj國Acti on 0iti ons HelpMaui IETA - Build 9.1724.20.00 - General: 2018-01-03 - 16:09:47匚冈 Update Parameter口回冈RF RAT Support Indicator:Opti onDisconnectReconnectConnected with targetemotion Typer只mart PhnnoConnect target successfullyUpdate parameter查找范围（X）：I打开）文件名:文件类型:取消Please choose the file to open叵 1515校椎参数我的电脑网上邻居卓面我的文档2G RF 3G FlMTG1G9RF 帀T口Recent31515_C2K. ini |孑 1515_LTG. ini|1515 LWG. iniHALL Files (*.*)|*.*导入成功，看提示再点击“Download To Flash”写参数。写入成功，看提示第三步：同理LTG模式和LWG模式写入操作一样，只是选择的DB和ini文件不同而已。C2K模式 就比较简单点。DB文件不用选择。操作同上。下面是说明进入LWG、LTG、C2K模式的方法。 本文操作指引：写入模式顺序为LWGfLTGC2K。进入 LWG模式:OptionSwitch active MODEM toMODEM1SW1 勾选此项.进入 LTG模式:OptionSwitch active MODEM toM0DEM1SW2 勾选此项进入 C2K 模式:OptionSwitch active MODEM toMODEM3SW1 勾选此项