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Last modified by Xiaoling on 2023/12/27 09:15
From version 132.1
edited by Bei Jinggeng
on 2022/11/18 11:33
Change comment: There is no comment for this version
To version 127.1
edited by Bei Jinggeng
on 2022/11/18 10:52
Change comment: Uploaded new attachment "image-20221118105220-2.png", version {1}

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1038 1038  
1039 1039  boot_app0.bin @0e000
1040 1040  
1041 -US915.bin @ 0x10000(Select the bin file of the frequency band you need)
1041 +ESP_LORA-eeprom-class.bin @ 0x10000
1042 1042  
1043 1043  
1044 -[[image:image-20221118105220-2.png]]
1044 +[[image:1664503593459-435.png]]
1045 1045  
1046 1046  
1047 1047  
1048 1048  After upgrade finish, it will show finish as below:
1049 1049  
1050 -[[image:image-20221118105402-4.png]]
1050 +[[image:1664503611848-385.png]]
1051 1051  
1052 1052  
1053 1053  
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1242 1242  )))
1243 1243  
1244 1244  
1245 -[[image:image-20221118105249-3.png]]
1245 +[[image:image-20221107145243-1.png||height="695" width="443"]]
1246 1246  
1247 1247  
1248 1248  == 8.4 If the device's led light is always on when upgrading（since firmware 1.4.1） ==
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1256 1256  1） Make Sure the device is in Open Area where can see the sky. 
1257 1257  2)  Set PDOP to a higher value.
1258 1258  
1259 - AT+PDOP=2(can be positioned precisely.）
1260 -
1261 - AT+PDOP=7(Quickly locate in open spaces）
1262 -
1263 - AT+PDOP=14.7(Positioning can be acquired in complex environments）
1264 -
1265 1265  Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1266 1266  )))
1267 1267  
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1311 1311  * [[**Firmware in Bin format**>>https://www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0]]
1312 1312  * **[[Source Code>>https://github.com/dragino/TrackerD]] **
1313 1313  * [[**Hardware Source**>>https://www.dropbox.com/sh/orwoy6cecb89m4e/AAD37sRuUrvKsHgAJxuVTkB5a?dl=0]]
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1 -XWiki.Bei
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