[Xiaomi Mi A1 Guides, News, & Discussion] Displax:
I just find and collect all available OTA and Fastboot links for Xiaomi Mi A1

How to extract OTA link: https://xdaforums.com/showpost.php?p=74828109&postcount=2

Tool to unpack OTA images: https://xdaforums.com/showpost.php?p=75003815&postcount=48

Fastboot Images:

Android 9.0.0 [PKQ1.180917.001.V10.0.24.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.24....0.PDHMIXM_20200810.0000.00_9.0_49f16fd30d.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.23.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.23....0.PDHMIXM_20200707.0000.00_9.0_b49c1d0e32.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.22.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.21.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.20.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.19.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.19....0.PDHMIXM_20200311.0000.00_9.0_78b42319da.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.18.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.17.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.17....0.PDHMIXM_20200113.0000.00_9.0_d8242da935.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.16.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.16....0.PDHMIXM_20191206.0000.00_9.0_494f11505e.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.15.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.15....0.PDHMIXM_20191108.0000.00_9.0_f146785cc8.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.14.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.13.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.13....0.PDHMIXM_20190909.0000.00_9.0_d38feb71c8.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.12.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.12....0.PDHMIXM_20190812.0000.00_9.0_089486f35f.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.11.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.11....0.PDHMIXM_20190711.0000.00_9.0_fdab617cb2.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.10.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.10....0.PDHMIXM_20190613.0000.00_9.0_1ee4c42e8a.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.9.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.9.0...0.PDHMIXM_20190514.0000.00_9.0_3ded3e7b82.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.8.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.7.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.6.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.5.0.PDHMIXM]: ?????

Android 9.0.0 [PKQ1.180917.001.V10.0.4.0.PDHMIXM]: https://bigota.d.miui.com/V10.0.4.0...0.PDHMIXM_20190104.0000.00_9.0_2cee840c96.tgz

Android 9.0.0 [PKQ1.180917.001.V10.0.3.0.PDHMIXM]: ?????

Android 8.1.0 [OPM1.171019.026.V9.6.8.0.ODHMIFE]: https://bigota.d.miui.com/V9.6.8.0....0.ODHMIFE_20181031.0000.00_8.0_9ea450fe98.tgz

Android 8.1.0 [OPM1.171019.026.V9.6.7.0.ODHMIFE]: https://bigota.d.miui.com/V9.6.7.0....0.ODHMIFE_20181015.0000.00_8.0_47d6fd23c7.tgz

Android 8.1.0 [OPM1.171019.026.V9.6.6.0.ODHMIFE]: ?????

Android 8.1.0 [OPM1.171019.026.V9.6.5.0.ODHMIFE]: https://bigota.d.miui.com/V9.6.5.0....0.ODHMIFE_20180814.0000.00_8.0_752dc2aded.tgz

Android 8.1.0 [OPM1.171019.026.V9.6.4.0.ODHMIFE]: https://bigota.d.miui.com/V9.6.4.0....0.ODHMIFE_20180712.0000.00_8.0_735823083f.tgz

Android 8.0.0 [OPR1.170623.026.V9.5.11.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.11.0...0.ODHMIFA_20180504.0000.00_8.0_1a04581058.tgz

Android 8.0.0 [OPR1.170623.026.V.9.5.10.0.ODHMIFA]: https://bigota.d.miui.com/V.9.5.10....0.ODHMIFA_20180405.0000.00_8.0_b9e697ed56.tgz

Android 8.0.0 [OPR1.170623.026.V9.5.9.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.9.0....0.ODHMIFA_20180316.0000.00_8.0_f8cd1b4e8e.tgz

Android 8.0.0 [OPR1.170623.026.V9.5.4.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.4.0....0.ODHMIFA_20180226.0000.00_8.0_5773957dcd.tgz

Android 8.0.0 [OPR1.170623.026.8.1.10]: https://bigota.d.miui.com/8.1.10/tissot_images_8.1.10_20180110.0000.00_8.0_8ea503201b.tgz

Android 8.0.0 [OPR1.170623.026.7.12.29]: https://bigota.d.miui.com/7.12.29/tissot_images_7.12.29_20171228.0000.00_8.0_c9a6ea979b.tgz

Android 7.1.2 [N2G47H.7.12.19]: https://bigota.d.miui.com/7.12.19/tissot_images_7.12.19_20171219.0000.00_7.1_d39fa89aaf.tgz

Android 7.1.2 [N2G47H.7.12.7]: https://bigota.d.miui.com/7.12.7/tissot_images_7.12.7_20171207.0000.00_7.1_ac947e5007.tgz

Android 7.1.2 [N2G47H.7.11.18]: https://bigota.d.miui.com/7.11.18/tissot_images_7.11.18_20171117.0000.00_7.1_3ac9b1f856.tgz

Android 7.1.2 [N2G47H.7.10.30]: https://bigota.d.miui.com/7.10.30/tissot_images_7.10.30_20171030.0000.00_7.1_82ffdfe70c.tgz

Android 7.1.2 [N2G47H.7.10.14]: https://bigota.d.miui.com/7.10.14/tissot_images_7.10.14_20171014.0000.00_7.1_d791bf99f4.tgz

Android 7.1.2 [N2G47H.7.9.21]: https://bigota.d.miui.com/7.9.21/tissot_images_7.9.21_20170921.0000.00_7.1_029785572d.tgz

Android 7.1.2 [N2G47H.7.8.23]: https://bigota.d.miui.com/7.8.23/tissot_images_7.8.23_20170823.0000.00_7.1_61cf97d794.tgz

Full OTA Images: (Google server)

Android 8.1.0 [OPM1.171019.019.V9.6.3.0.ODHMIFE]: https://android.googleapis.com/pack.../7d9bd9f94aba29adb04b78aabb944c1958e593fe.zip

Android 8.1.0 [OPM1.171019.019.V9.6.2.0.ODHMIFE]: https://android.googleapis.com/pack.../b004282df093e1fd7aec1782b4c8be3e6d1ba955.zip

Android 8.0.0 [OPR1.170623.026.V.9.5.10.0.ODHMIFA]: https://android.googleapis.com/pack.../ab087ba7b66d670e8d551e03f530a7aeab972579.zip

Android 8.0.0 [OPR1.170623.026.8.3.22]: https://android.googleapis.com/pack.../d1cdafcbab1fcd543d702281c9f30e9eaa3e2d25.zip

Android 8.0.0 [OPR1.170623.026.8.3.16]: https://android.googleapis.com/pack.../81e2152842d06256bb1484f2e05fb8f63d07b765.zip

Android 8.0.0 [OPR1.170623.026.V9.5.9.0.ODHMIFA]: https://android.googleapis.com/pack.../7c05474d9be8a1856d1ca319ddac13eb72839e6f.zip

Android 8.0.0 [OPR1.170623.026.8.3.13]: https://android.googleapis.com/pack.../89a3eb0c29f2955f8fba0cb996de9d7e4ba6db8f.zip

Android 8.0.0 [OPR1.170623.026.V9.5.6.0.ODHMIFA]: https://android.googleapis.com/pack.../80609cdd53f1bbba4e3a81eaee676fd367e9f66b.zip

Android 8.0.0 [OPR1.170623.026.8.3.8]: https://android.googleapis.com/pack.../72093aa3794fd45fe370735feff1473cff241258.zip

Android 8.0.0 [OPR1.170623.026.8.3.1]: https://android.googleapis.com/pack.../72093aa3794fd45fe370735feff1473cff241258.zip

Android 8.0.0 [OPR1.170623.026.V9.5.4.0.ODHMIFA]: https://android.googleapis.com/pack.../779ceac2981ade9b17c1ea2d105a610024f039a8.zip

Android 8.0.0 [OPR1.170623.026.8.2.1]: https://android.googleapis.com/pack.../05e3231045757ccae0f754a43b6e15e4374f3718.zip

Android 8.0.0 [OPR1.170623.026.8.1.10]: https://android.googleapis.com/pack.../ee592cfc37713ab6404363513c1d7a51c1551d83.zip

Android 8.0.0 [OPR1.170623.026.7.12.29]: https://android.googleapis.com/pack.../c886f741b20cb98d6ca79493b0bf62a2b68fc26d.zip

Android 8.0.0 [BETA 1]: https://android.googleapis.com/pack.../ffc0b01f8888cb7bbbc8fa2938247c4f1d04cabf.zip

Android 7.1.2 [N2G47H.7.12.19]: https://android.googleapis.com/pack.../85b8d41fe3eaab3155ab04a46db95d981ffb4ed1.zip

Android 7.1.2 [N2G47H.7.12.7]: https://android.googleapis.com/pack.../0c5ca12be40713da0585dea701d380e38e4680a8.zip

Android 7.1.2 [N2G47H.7.11.18]: https://android.googleapis.com/pack.../469bc53624f7bcdb4da858ae4666b06fe8e777d0.zip

Android 7.1.2 [N2G47H.7.10.30]: https://android.googleapis.com/pack.../75e0e6112e309169f81b0730779eb9b130509784.zip

Android 7.1.2 [N2G47H.7.9.21]: https://android.googleapis.com/pack.../1708f685882654506222b8cd8956ef1ac7f87aa3.zip

Full OTA Images: (Xiaomi server)

Android 8.0.0 [OPR1.170623.026.8.3.22]: https://bigota.d.miui.com/8.3.22/miui_TISSOT_8.3.22_d0c7dba777_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.3.16]: https://bigota.d.miui.com/8.3.16/miui_TISSOT_8.3.16_0ece26cf05_8.0.zip

Android 8.0.0 [OPR1.170623.026.V9.5.9.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.9.0.ODHMIFA/miui_TISSOT_V9.5.9.0.ODHMIFA_400874e82a_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.3.13]: https://bigota.d.miui.com/8.3.13/miui_TISSOT_8.3.13_35f772b80f_8.0.zip

Android 8.0.0 [OPR1.170623.026.V9.5.6.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.6.0.ODHMIFA/miui_TISSOT_V9.5.6.0.ODHMIFA_94e7efde0a_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.3.8]: https://bigota.d.miui.com/8.3.8/miui_TISSOT_8.3.8_33a874e58d_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.3.1]: https://bigota.d.miui.com/8.3.1/miui_TISSOT_8.3.1_6e8fcd3712_8.0.zip

Android 8.0.0 [OPR1.170623.026.V9.5.4.0.ODHMIFA]: https://bigota.d.miui.com/V9.5.4.0.ODHMIFA/miui_TISSOT_V9.5.4.0.ODHMIFA_e5fec901fc_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.2.1]: https://bigota.d.miui.com/8.2.1/miui_TISSOT_8.2.1_7fd3fa81b5_8.0.zip

Android 8.0.0 [OPR1.170623.026.8.1.10]: https://bigota.d.miui.com/8.1.10/miui_TISSOT_8.1.10_4e3a1634ec_8.0.zip

Android 8.0.0 [OPR1.170623.026.7.12.29]: https://bigota.d.miui.com/7.12.29/miui_TISSOT_7.12.29_7b776d86b1_8.0.zip

Android 8.0.0 [BETA 1]: https://bigota.d.miui.com/7.12.8/miui_TISSOT_7.12.8_3d0a5792ed_8.0.zip

Android 7.1.2 [N2G47H.7.12.19]: https://bigota.d.miui.com/7.12.19/miui_TISSOT_7.12.19_2d7ba2287f_7.1.zip

Android 7.1.2 [N2G47H.7.12.7]: https://bigota.d.miui.com/7.12.7/miui_TISSOT_7.12.7_60645c9e77_7.1.zip

Android 7.1.2 [N2G47H.7.11.18]: https://bigota.d.miui.com/7.11.18/miui_TISSOT_7.11.18_764a05338c_7.1.zip

Android 7.1.2 [N2G47H.7.10.30]: https://bigota.d.miui.com/7.10.30/miui_TISSOT_7.10.30_613ee120a4_7.1.zip

Android 7.1.2 [N2G47H.7.9.21]: https://bigota.d.miui.com/7.9.21/miui_TISSOT_7.9.21_0b342fb7d7_7.1.zip

Note: There is 3 different domain to download OTA images from Google servers. No difference which one to use.

https://android.googleapis.com/packages/ota-api/xiaomi_tissotsprout_tissot/SHA-1.zip
https://android.clients.google.com/packages/ota-api/xiaomi_tissotsprout_tissot/SHA-1.zip
https://ota.googlezip.net/packages/ota-api/xiaomi_tissotsprout_tissot/SHA-1.zip

Note: There is 2 different domain to download images from Xiaomi servers. No difference which one to use.

https://bigota.d.miui.com/KEY.ZIP
https://hugeota.d.miui.com/KEY.ZIP