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== Refurbishment ==
By 2021, 01A02s were also reassigned as a reserve fleet, as their original carriages were aging and considered unreliable. These trains tend to be late, doors and announcement systems often malfunction. Carriages have to be taken out of service intermittently for maintenance.
As the original carriages of 01A02s are about to reached the end of their life, a refurbishment will be carried out. Renovation includes structural repairs, extend their lifespans for an additional 14 years. Work is expected to be completed by November 2025. Trains will be removed and transported to CRRC Zhuzhou Locomotive for renovation and rebuilt.<ref>{{cite web|url=https://fgw.sh.gov.cn/fgw-interaction-front/biz/projectApproval/info?id=1cdea9682616435ab74110986729938f|title=市发展改革委关于上海市轨道交通1号线列车更新及新车采购工程可行性研究报告的批复|work=上海市政府|language=zh|date=2022-10-20}}{{Dead link|date=June 2024 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{Cite journal |orig-date=2023 |title=上海轨道交通服役到期列车延寿改造策略 |url=https://mall.cnki.net/magazine/article/GDJT2023S1008.htm |journal=城市轨道交通研究 |language=zh}}</ref>▼
Several proposed schemes for the disposal of 01A02s were put forward in 2023<ref>{{Cite journal |date=2023 |title=上海轨道交通服役到期列车延寿改造策略 |journal=城市轨道交通研究 |volume= |issue=S1}}</ref>:
* Rebuild and convert into track inspection trains.
* Decommission and scrap all carriages. Only one original carriage will be kept and preserve in [[Shanghai Metro Museum]].
* Replace all original carriages with the new ones.
* Refurbish all original carriages and make expansion carriages in service for at least 29 to 30 years.
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== Preservation and other uses ==
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