You do not have to update the firmware via PC since most of the smart watch or smart bracelet could updated OTA. If your watch is dead or you got a Chinese version which does not have Android system , please contact to support@microweartech.com we will send it to you.
Here are the steps about how to OTA update your watch H1
Models | OTA Update Firmware | Download APP |
 | Microwear H1 smart watch
After H1 connecting to the network, please go to the setting-->about watch-->wireless update --> check for updates | 
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 | Microwear H2 smart watch After H2 connecting to the network, please go to the setting-->about watch-->wireless update -->Test watch |  |
 | Microwear H5 4G smart watch After H5 connecting to the network, please go to the setting-->about watch-->wireless update --> check for updates | 
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 | Microwear L1 sports smart watch If the L1 you got does not have the language you want, please contact to us to get the firmware to update it via PC | 
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 | Microwear L2 waterproof smart watch
If the L2 you got does not have the language you want, please contact to us to get the firmware to update it via PC |  |
 | Microwear L3 waterproof smart watch
If the L2 you got does not have the language you want, please contact to us to get the firmware to update it via PC |  |
 | Microwear X2 Plus waterproof smart bracelet After Pair X2 with fundo, open the app , go to more-->firmware update |  |
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Microwear X3 waterproof smart bracelet After Pair X3 with GloryFit , open the app , go to more-->firmware update
| 
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 | Microwear X6 waterproof smart bracelet After Pair GX6 with JYou, open the app , go to setting-->firmware upgrade | 
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Cooperating forum
http://roundandroidwatches.proboards.com/
Other questions you may come with,please find the solution here
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Return or refund issue please contact to the seller directly.
Email : support@microweartech.com